# Questions on Algebra: Trigonometry answered by real tutors!

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 Question 635543: After leaving the runway, a plane's angle of ascent is 16° and its speed is 267 feet per second. How many minutes will it take for the airplane to climb to a height of 12,500 feet? Round answer to two decimal places. Click here to see answer by mananth(13127)

 Question 635686: Hi, The question I'm having trouble with is, solve , for 0 < x < 2(pi) I've tried expand and collecting to one side; but I've found that that taking cos(x) as a factor will only lead bead to the beginning. Thankyou Click here to see answer by jsmallt9(3438)
 Question 635686: Hi, The question I'm having trouble with is, solve , for 0 < x < 2(pi) I've tried expand and collecting to one side; but I've found that that taking cos(x) as a factor will only lead bead to the beginning. Thankyou Click here to see answer by ewatrrr(11176)

 Question 635950: Please help me solve this problem: 3/8+5(x+4)^3=9 I've tried taking the cube root of both sides but then 9 doesn't have a cube root and i'm not sure what i'm suppose to do. Thank you Click here to see answer by MathTherapy(1817)

 Question 636042: Two ocean liners leave from the same port in Puerto Rico at 10:00 a.m. One travels at a bearing of N 46°W at 12 miles per hour, and the other travels at a bearing of S 55°W at 14 miles per hour. Approximate the distance between them at noon the same day. Round answer to two decimal places. a. 20.58 miles b. 36.44 miles c. 25.91 miles d. 22.71 miles e. 33.22 miles Click here to see answer by jsmallt9(3438)

 Question 636709: how to evaluate sin(-3285 degree) ? - abhishek arora ( 11th class ) Click here to see answer by lwsshak3(7679)

 Question 636488: Evaluate. tan(2 arc tan of 5/12) arc cos(sin of 11pi/6) sin(1/2 arc tan of 24/7) Click here to see answer by lwsshak3(7679)

 Question 636725: If cos21=x, determine sin291 in terms of x Click here to see answer by sachi(531)

 Question 636737: If the point P (-3, 4) is on the terminal sideof theta, find the values of the six trigonometric functions at the angle theta. Give exact answers. Click here to see answer by jsmallt9(3438)

 Question 636700: What is the minimum value of 4 sec^2 theta + 9 cosec^2 theta ? we know the minim value of sec^2 theta is 1. but don't know how to covert the equation completely in to terms of sec^2 theta. Click here to see answer by Alan3354(34677)

 Question 636444: if sin theta = radical 5 over 3 , then what does cos 2 theta equal ? Click here to see answer by jsmallt9(3438)

 Question 636876: What is the value of the inverse principal cosine of the square root of three over two? Cos^-1 (the square root of 3)/2 Click here to see answer by stanbon(60771)

 Question 636046: find, without using a calculator A. Arc sin (-square root of 3/2) B. Arc cos (-1/2) C. Arc sin (sin(3 pi/4)) D. Sin (arc cos (-1/2)) E. Arc sin (cos(5 pi/12)) F. tan (arc cos (x/x+1)) Click here to see answer by lwsshak3(7679)

 Question 637117: Given the functions f(x)=2x-4, g(x)= √x, and h(x)=x^2+9, calculate each of the following a)f(g(9)) b)h(g(9)) c)g(h(4)) d)g(f(10)) e)h(g(f(20))) f)f(g(h(-4))) g)h(g(f(0))) Click here to see answer by DrBeeee(577)

 Question 637336: solution and graph for this y= 3 + 2 sin (2x - pi/2) Click here to see answer by josmiceli(10616)
 Question 637336: solution and graph for this y= 3 + 2 sin (2x - pi/2) Click here to see answer by jsmallt9(3438)

 Question 637356: What is the value of Q for the following sets of equations: P + R = 4; Q x P + R = 10; P + Q x R = 14 Click here to see answer by god2012(108)
 Question 637356: What is the value of Q for the following sets of equations: P + R = 4; Q x P + R = 10; P + Q x R = 14 Click here to see answer by DrBeeee(577)

 Question 637382: Which expression is NOT equivalent to 1? a) sin^2(theta)+cot^2(theta)sin^2(theta) b) (sin^2(theta)/1-cos(theta))-cos(theta) c) sec^2(theta)+tan^2(theta) d) (cot^2(theta)sin^2(theta))/cos^2(theta) Click here to see answer by Alan3354(34677)

 Question 637462: the end of a 30 inch pendulum describes an arc of 6 inches. Through what angle does the pendulum swing Click here to see answer by Alan3354(34677)

 Question 637345: y= 2 +2 cos ( 3x+2pi) kindly solve this for me? thanks :-) Click here to see answer by lwsshak3(7679)

 Question 637471: if tan Ø < 0 and csc Ø > 0, in which quadrant does Ø terminate? Click here to see answer by stanbon(60771)

 Question 637496: perform the indicted operations #30. 1/4 + 1/5 Click here to see answer by solver91311(18785)

 Question 637516: The expression 2sindata cosdata divided by cos^2data-sin^2data is equivalent to (1)sin 2data (2)cos 2data (3)tan 2data (4)cot 2data Click here to see answer by solver91311(18785)

 Question 637518: The maximum value of 3sin2data is (1)2pi (2)2 (3)3 (4)6 Click here to see answer by Alan3354(34677)
 Question 637518: The maximum value of 3sin2data is (1)2pi (2)2 (3)3 (4)6 Click here to see answer by solver91311(18785)

 Question 637491: Write the partial fraction decomposition of the rational expression: (4x^2+2x-1)/(x^2(x+1)) Click here to see answer by Edwin McCravy(9717)
 Question 637491: Write the partial fraction decomposition of the rational expression: (4x^2+2x-1)/(x^2(x+1)) Click here to see answer by DrBeeee(577)

 Question 637566: I tried to draw the unit circle but no luck in how i should approach this. Find two angles (in radians) between 0 and 2pi whose cosecant is -2.4 Click here to see answer by lwsshak3(7679)

 Question 637589: graph the function of y= 5-4 cos x/2 HELP! TY@ Click here to see answer by lwsshak3(7679)

 Question 637848: I'm trying to solve it by myself but I'm confused. Thank you! Center lies in the first quadrant. Tangent to x=8, y=3, and x=14 Click here to see answer by reviewermath(721)

 Question 637488: Write the partial fraction decomposition of the rational expression: (x^2+12x+12)/(x^3-4x) Click here to see answer by DrBeeee(577)

 Question 637990: i need to find all solutions in the domain 3 tan(x/2)+3= 0 but if it makes it easier i simplified it down to tan(x/2)= -1 pleeeeeze help thanks Click here to see answer by lwsshak3(7679)

 Question 638284: Show that 1.21 hr is the same as 1 hr, 12 min, 36 sec. Discuss the similarity between converting hours, minutes, and seconds to decimal hours and converting degrees, minutes, and seconds to decimal degrees. Click here to see answer by stanbon(60771)