# Questions on Algebra: Trigonometry answered by real tutors!

Algebra ->  -> Questions on Algebra: Trigonometry answered by real tutors!      Log On

 Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations! Ad: Mathway solves algebra homework problems with step-by-step help!

 Question 797959: what is negative pi over twelve plus pi over 6? I need the answer with pi, not as an exact answer. For example: 2pi minus pi/6 equals pi/6. (Please correct me if i'm wrong on that one too!) Click here to see answer by Alan3354(34674)

 Question 797933: So the function is f(x) = 2sec4x & the period is pi/2… how do I know which numbers to put on my graph? Click here to see answer by lwsshak3(7677)

 Question 798064: How many solutions does the systme {y=x and y=tan(x) have? A. None B. 1 C. Infinitely many D. 3 Click here to see answer by Alan3354(34674)

 Question 798205: A plane is 147 miles north and 91 miles east of an airport. The pilot wants to fly directly to the airport. What bearing should be taken? Click here to see answer by stanbon(60771)

 Question 798206: When an airplane leaves the runway, its angle of climb is 17° and its speed is 345 feet per second. How long will it take the plane to climb to an altitude of 10,000 feet? 16,000 feet? Click here to see answer by stanbon(60771)

 Question 798445: How do I solve a question such as: Find the exact value. (a) cos(1/4)pi Thank you! Click here to see answer by josmiceli(10616)

 Question 799053: I have a problem that I need to solve finding all solutions in [0,2pi) 2 cos x + 2 sin x = sqrt2 how do i solve this problem Click here to see answer by Edwin McCravy(9716)

 Question 799041: Verify the trigonometric identity (let @ represent theta): 3sin^2@+4cos^2@=3+cos^2@ Click here to see answer by lwsshak3(7677)

 Question 799159: use the unit circle to determine the value of tan (-17 Pi) Click here to see answer by Alan3354(34674)

 Question 799155: GIven Cos teta = -square root of 3 / 2 ; 180 < teta < 270 Find exact value of A) Sin of teta b) Tan of tera Click here to see answer by Alan3354(34674)

 Question 798877: tan x = √3÷3 ,0 Basic acute angle = 30 therefore x= 30, 180+30, 360+30, 360+180+30 = 30,210,390,570 Is this correct ? Click here to see answer by KMST(2478)

 Question 798881: without using calculater note: pie=3.14 1.sin of pie /= divide 2.cos2 pie 3.tan pie/4 4.cot pie/3 5.sec3pie 6.cosec pie/6 7.sin3pie/4 8.cos5pie/6 Click here to see answer by KMST(2478)

 Question 799211: I have a question here to solve, finding all solutions in [0,2) 4 sin^2 x = 1 Could you help me how to start off? Do i divide by 4 to start off? Click here to see answer by lwsshak3(7677)

 Question 799100: What is the period of the following equation Y=1-2cos8(x+pi) Click here to see answer by lwsshak3(7677)

 Question 799237: Graph the function. y=4sin(2x+4)-2 Each graph should contain at least two periods. verify the graph using a graphing utility. use the graph to determine the domain and the range of each function. Click here to see answer by lwsshak3(7677)

 Question 799297: which expression is equal to csc x, written in terms of cos x Click here to see answer by solver91311(18785)

 Question 799310: What is the cotangent of theta and secant of theta if sin of theta=1/3, tangent of theta <0 Click here to see answer by lwsshak3(7677)

 Question 799274: find the general solution of the following equation sinx+cosx=1 Click here to see answer by lwsshak3(7677)

 Question 799570: How do I figure out the values of X when I'm given cosine of x = 1? I've looked at the unit circle and the different radians, and I know that the answer is supposed to be in radians. I also know that cosine is x/ radius for a regular circle, and x/ 1 for a unit circle. The problem is I don't know how to get started. Click here to see answer by stanbon(60771)

 Question 799624: How would one find x in: Sin x = Cos(x-60)? Click here to see answer by lwsshak3(7677)

 Question 799269: Solve cos^2(w)=-3sin(w) for all solutions 0 <= w < 2pi Click here to see answer by lwsshak3(7677)

 Question 799270: Solve 8cos^2(x)-6sin(x)-9 = 0 for all solutions 0 <= x < 2pi Click here to see answer by lwsshak3(7677)

 Question 799714: Which of these functions has period 7? A. y= sin(7/pi)x B. y= cot(7/pi)x C. y= cos(pi/7)x D. y= tan(pi/7)x Click here to see answer by Alan3354(34674)

 Question 799741: if angle x is 57 degrees, what must be the measure of angle y for the angles to be supplementary? Click here to see answer by solver91311(18785)

 Question 799742: if one angle of a triangle measures 63 degrees, what must be the sum of the measures of the other two angles? Click here to see answer by waynest(281)

 Question 799834: What are the solutions of the equation tan(x/2)-sin(x)=0 Click here to see answer by DrBeeee(577)

 Question 799948: How long would it take a van to travel 15miles at a constant speed of 60miles per hour? Click here to see answer by Alan3354(34674)