basic

Given tanθ=√3/4, 0<θ<π/2

Find cotθ

• 4√3 / 3

• √3/4

• 3

• 4

Given cosθ=-2/3, 90°<θ<180°

Find sinθ

• √5/3

• -√5/3

• -3/2

• 2/3

Express the value as a trigonometric function of an angle in Quadrant I:

sin(390°)

• sin(30°)

• sin(90°)

• cos(30°)

• 1-cos(390°)

Express the value as a trigonometric function of an angle in Quadrant I:

cos(27π/8)

• -cos(3π/8)

• cos(3π/8)

• cos(25π/8)

• -cos(11π/8)

Express the value as a trigonometric function of an angle in Quadrant I:

sec(-1290°)

• -sec(30°)

• sec(30°)

• cos(30°)

• -cos(30°)

tan θ =

• $\frac{1}{\tan\ \theta}$

• $\frac{1}{\csc\ \theta}$

• $\frac{1}{\sin\theta}$

• $\frac{1}{\cot\theta}$