Give all six trigonometric function values for each angle θ. Rationalize denominators when applicable. See Examples 5–7.

sin θ = √2/6 , and cos θ < 0

Give all six trigonometric function values for each angle θ. Rationalize denominators when applicable. See Examples 5–7.

csc θ = ―3 , and cos θ > 0

Give all six trigonometric function values for each angle θ. Rationalize denominators when applicable. See Examples 5–7.

cos θ = 1

Concept Check Suppose that 90° < θ < 180° .   Find the sign of each function value. tan θ/2

Concept Check Suppose that 90° < θ < 180° .   Find the sign of each function value. cos ( ―θ)

Concept Check Suppose that ―90° < θ < 90° .   Find the sign of each function value. sec θ/2

Concept Check Suppose that ―90° < θ < 90° . Find the sign of each function value.

sec(―θ)

Concept Check Suppose that ―90° < θ < 90° .   Find the sign of each function value. cos(θ―180°)