Solving Trigonometric Equations Quiz

Evaluate the function f(x) = tan^-1(x) when x = 0. Give your answer in radians.

[A] 0

Which is equivalent to sin^-1(0)? Give your answer in radians.

[A] 0

Which is equivalent to sin^-1(cos(pi/2))? Give your answer in radians.

[A] 0

The graph of which function passes through the point (0, pi/2)?

[A] y = cos^-1(x)

Which is a solution of tanx = sqrt3/3? Give your answer in radians.

[B] pi/6

Which is equivalent to cos^-1(0.17)? Round your answer to the nearest hundredth of a radian.

[C] 1.40

What are all the exact solutions of cosx = - sqrt3/2 on the interval pi<=x<=2pi? Give your answer in radians.

[C] 7pi/6

What are all the exact solutions of 2sin^2x - sinx = 0 for 0<=x<=2pi? Give your answer in radians.

[D] 0, pi/6, pi, 5pi/6 and 2pi

Which is equivalent to sin^-1(0.75)? Round your answer to the nearest hundredth of a radian.

[D] 0.85