Plz Help Me Out! In each right triangle ABC, find B. The right angle is at C.
a = 11.7 m, b = 14.9 m
a = 39.8 ft, c = 56.8 ft
The angle of depression from a 64-ft-tall tower to a deer is 47° 16'. Find the distance from the deer to the bottom of the tower.

Find each of the following
The radius of a circle is 56.3 m. Find the length of an arc of the circle intercepted by a central angle of }{6}" /> radians.
Find the area of the sector of a circle intercepted by a central angle of 125° in a circle of radius 12.3 ft.

Give the amplitude of y = - +sin(4x - )

Suppose sinθ = -, with θ in quadrant III. Find the exact value of each of the following.
cos θ
tan θ
csc θ

Suppose cos α = , with α in quadrant IV, and β = , with β in quadrant I. Find the exact value of each of the following.
sin (α + β
cos (α - β)
cos 2β

Find the solutions for each equation in the interval [0°, 360°).
4cosθ - 2 = 0
2sin²θ - sinθ = 1