Questions on Algebra: Trigonometry answered by real tutors!

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Question 233423: A regular cyclical polygon is inscribed inside a circle of radius 5cm. Find the length of one side. This question is from the chapter: Sine and cosine ratios.Please help me solve my question. It is really urgent. Thankyou very much indeed.
Click here to see answer by Alan3354(6097)

Question 233387: Points A and B are separated by a lake. To find the distance between them, a surveyor locates a point C on land such that angleCAB = 48.6°. He also measures CA as 316 ft and CB as 527 ft. Find the distance between A and B. Round your answer to the nearest foot. (Note: angleABC is an acute angle.)
Click here to see answer by Theo(675)

Question 227872: (1/cosx)-(cosx/1+sinx)=tanx
Click here to see answer by Alan3354(6097)

Question 233388: A pilot is flying over a straight highway. He determines the angles of depression to two mileposts, 9 mi apart, to be 32° and 48°, as shown in the figure. Round your answers to the nearest tenth mile.
Points A and B r on ground, triangle made to airplane, line across tip of triangle made by points a and b, left angle is 32 and right is 48
find distance of PLANE from point a and elevation of plane
sorry i cant copy picture from my webassign
Click here to see answer by Alan3354(6097)

Question 233471: The petronas Tower 2 in Kuala Lumpur ,Malaysia, is one of the tallest buildings in the world. from a position x on level ground, the angle of elevation to the top is 80 degrees. Position Y is lies 84.81m further back from x in a direct line with the building. The angle of elevation from Y to the 70 degrees. How high is the Petronas Tower 2?
Please help me solve this question. This is extremely difficult for me.
Thankyou very much indeed.
Click here to see answer by Theo(675)

Question 233584: Solve : cos X + sin X = 0
all answers in radians
thanks
Click here to see answer by Theo(675)

Question 233630: What is the positive solution of:
x^2 + 5x = 36 ?

Thank you so much in advance!
Click here to see answer by nerdybill(2448)

Question 233632: Solve:
6(x-2)-2(x-1)=2

I at first tried to use the distributive property... but I don't believe it turned out so well!
Help, please?
Thank you!

Click here to see answer by nerdybill(2448)

Question 233634: What is the slope of:
4x-4y= 11

I know that the slope form is y=mx+b.... but I don't really know how to go about solving the problem after that.
Thanks in advance!
Click here to see answer by Earlsdon(4900)

Question 233636: The greatest common factor of:
4x^3 - 8x^2 + 22x is _____x ?

I understand GCF, but I have never worked GCF with exponents before... I am rather lost.
Thanks for your help.
Click here to see answer by Earlsdon(4900)

Question 233637: What is the negative solution of :
(3x-7)^2
thanks
Click here to see answer by unlockmath(121)

Question 233668: Write an equation in general form for the line that goes through (4, -1) and (4,5)
x=?

Thank you for your help.
Click here to see answer by Theo(675)

Question 233975: Simplify (not solve!):
a.
Sin8a + Sin9a + Sin10a + Sin11a + Sin12a
Cos 8a + Cos9a + Cos10a + Cos11a + Cos12a
b.
Cos^2[ (3pi/8) + (a/4) ] - Cos^2 [ (11pi/8) + (a/4) ]

Click here to see answer by nyc_function(260)

Question 234135: TRIGONOMETRIC FUNCTIONS
1.Given that sin0=4/5 and 0 lies in quadrant ll,find the following value, cos 0
2.Given that sin0=3/5 and 0 lies in quadrant ll,find the following value,sec 0
3.Given that sin=-1/2 and 0 lies in quadrant lV,find the following value,cos 0
4.Given that sin0=-1/2 and 0 lies in quadrant lV, find the following value,tan 0

Click here to see answer by nyc_function(260)

Question 234134: TRIGONOMETRIC FUNCTIONS
1.Given that sin0=4/5 and 0 lies in quadrant ll,find the following value, cos 0
2.Given that sin0=3/5 and 0 lies in quadrant ll,find the following value,sec 0
3.Given that sin=-1/2 and 0 lies in quadrant lV,find the following value,cos 0
4.Given that sin0=-1/2 and 0 lies in quadrant lV, find the following value,tan 0

Click here to see answer by nyc_function(260)

Question 234133: TRIGONOMETRIC FUNCTIONS
1.Given that sin0=4/5 and 0 lies in quadrant ll,find the following value, cos 0
2.Given that sin0=3/5 and 0 lies in quadrant ll,find the following value,sec 0
3.Given that sin=-1/2 and 0 lies in quadrant lV,find the following value,cos 0
4.Given that sin0=-1/2 and 0 lies in quadrant lV, find the following value,tan 0

Click here to see answer by nyc_function(260)

Question 234117: TRIGONOMETRIC FUNCTIONS
1.Given that sin0=4/5 and 0 lies in quadrant ll,find the following value, cos 0
2.Given that sin0=3/5 and 0 lies in quadrant ll,find the following value,sec 0
3.Given that sin=-1/2 and 0 lies in quadrant lV,find the following value,cos 0
4.Given that sin0=-1/2 and 0 lies in quadrant lV, find the following value,tan 0

Click here to see answer by nyc_function(260)

Question 234196: I've been working on inverse trigonometric functions, and this one just baffles me. Help would be GREATLY appreciated!
Evaluate tan(cos^-1(sqrt3/2) + tan^-1(sqrt3/3))
Click here to see answer by Alan3354(6097)

Question 234101: TRIGONOMETRIC FUNCTIONS
1.Given that sin0=4/5 and 0 lies in quadrant ll,find the following value, cos 0
2.Given that sin0=3/5 and 0 lies in quadrant ll,find the following value,sec 0
3.Given that sin=-1/2 and 0 lies in quadrant lV,find the following value,cos 0
4.Given that sin0=-1/2 and 0 lies in quadrant lV, find the following value,tan 0

Click here to see answer by Alan3354(6097)

Question 234142: SOLVE EACH EQUATION, WHERE 0 DEGREES (< OR = TO) X < 360 DEGREES. ROUND APPROXIMATE SOLUTIONS TO THE NEAREST TENTH OF A DEGREE 3 SIN X - 5 + CSC X = 0
Click here to see answer by Edwin McCravy(2922)

Question 234312: please help prove: [sin(y/2)+cos(y/2)]^2^=1+siny
Click here to see answer by Edwin McCravy(2922)

Question 234320: please help solve: (cot(x)/csc(x)+1)=(csc(x)-1/cot(x))
Click here to see answer by Alan3354(6097)

Question 234320: please help solve: (cot(x)/csc(x)+1)=(csc(x)-1/cot(x))
Click here to see answer by monika_p(55)

Question 234315: log7-log3+log6
Click here to see answer by checkley77(7072)

Question 234512: plese help prove: (cot(x))/(csc(x)+1)=(csc(x)-1)/(cot(x))
Click here to see answer by nyc_function(260)

Question 234506: please help prove: 1-(cos(beta)-sin(beta)^2^=sin(2beta)
Click here to see answer by Alan3354(6097)

Question 234853: i need help: find sin theta if cos theta equals two thirds and theta is in quadrant four.

Click here to see answer by Alan3354(6097)

Question 234920: solve for the identity
secx + tanx / cotx + cosx = tanxsecx
Click here to see answer by Alan3354(6097)

Question 235020: PLEASE HELP ME TO SOLVE THE TRIGONOMETRIC FUNCTIONS:
Given that sin0=-1/2 and 0 lies in quadrant lV,find the following value.cot 0
Click here to see answer by Theo(675)

Question 235105: PLEASE HELP ME SOLVE THIS FUNCTIONS:
Given that sin0=-1/2 and 0 lies quadrant lV,find the following value, cot0
Click here to see answer by Alan3354(6097)

Question 235137: how to convert 156 degrees into radians lowest terms step by step

Click here to see answer by Alan3354(6097)

Question 235161: Express The Rule "Multiply By 6, Then Subtract 3" In Function Notation
Click here to see answer by stanbon(26297)

Question 235199: a=<3,-3>
Find the magnitude of the vector "a" and the smallest positive angle theta from the positive x-axis to the vector OP that corresponds to "a"

I found the magnitude to vector a which is 3squareroot2, but im pretty much lost on the rest.
Click here to see answer by solver91311(5072)

Question 235219: Solve sin^2 x - sin x - 2 = 0 for 0 < x < 360
Thanks a lot!
Click here to see answer by jsmallt9(594)

Question 235248: Find the measure of an acute angle that satisfies the given equation. Round your answers to the nearest tenth of a degree.
tanY=40/9
Click here to see answer by stanbon(26297)

Question 235401: Adult tickets for a play cost $25 each and the childrens tickets cost $15 each. The total receipts were $7,200 and the total attendenct was 400. How many adults and how many children attended?
Click here to see answer by checkley77(7072)

Question 235398: is the following relation a function? Explain Please.
(1,2),(2,3),(2,5),(2,7)
Click here to see answer by Alan3354(6097)

Question 235431: please prove:
Click here to see answer by Edwin McCravy(2922)

Question 235501: if sin 0 = 4/5 and tan 0= 4/3,what is the value of cos 0?
Click here to see answer by stanbon(26297)

Question 235501: if sin 0 = 4/5 and tan 0= 4/3,what is the value of cos 0?
Click here to see answer by solver91311(5072)

Question 235574: PLEASE HELP ME SOLVE THIS TRIGONIMETRIC FUNCTIONS:
sin 205degree
Click here to see answer by jsmallt9(594)

Question 235426: please help prove: tan^2^(x)+cot^2^(x)=(1-2sin^2^(x)+2sin^4^(x))/(sin^2^(x)-sin^4^(x))
Click here to see answer by Alan3354(6097)

Question 235898: factor the polynomial:
25x(to the 2nd power)-36y(to the second power)
Click here to see answer by Alan3354(6097)

Question 235901: solve the following equation:
x(to the 3rd power) + 5x(to the 2nd power) =6x

x(to the 2nd power) - 3x =10
Click here to see answer by solver91311(5072)

Question 235900: solve the following equation:
x(to the 3rd power) + 5x(to the 2nd power)=6x
Click here to see answer by Earlsdon(4900)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790