Ch 4 Review Trig Functions

Check all boxes that have a value of 1/2.

• cos π/3

• cos 11π/6

• cos 2π/3

• sin 5π/6

• sin π/6

Find the exact value of csc 2π/3.

• √3/2

• 1/2

• 2

• 2/√3

Convert 405° to radians.

Find the EXACT value of tan 225°.

• √2/2

• -1

• 1

• -√2/2

Given sinθ = -3/5, find tan θ.

• 4/5

• -3/4

• -5/3

• 5/4

• -4/3

Simplify tanθ ⋅ cscθ.

• cosθ

• sinθ

• secθ

• cotθ

At a distance of 19 ft from its base, the angle of elevation to the top of a flagpole is 64.6°. How tall is the flagpole to the nearest foot?

Which quadrant does θ lie if sinθ < 0 and secθ > 0?

• I

• II

• III

• IV

Find the amplitude of y = 1 - 4sin(x + π/2).

Find the period of y = 1 - 4sin2(x + π/4).

• π/4

• π/2

• π

• 2π