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(C)
(D)
(E)
127.
(A)
(B)
(C)
(D)
(E)
128.
(A) cos x
(B) sin x
(C) csc x
(D) sec x
(E) tan x
129.
(A)
(B)
(C) csc x
(D)
(E)
130.
(A)
(B)
(C)
(D)
(E)
131.
(A)
(B)
(C)
(D)
(E)
132.
(A)
(B)
(C)
(D)
(E)
Solving Trigonometric Equations
133–144 Solve the given trigonometric equations. Find all solutions in the interval
133.
134.
135.
136.
137.
138.
139.
140.
141.
142.
143.
144.
Amplitude, Period, Phase Shift, and Midline
145–148 Determine the amplitude, the period, the phase shift, and the midline of the function.
145.
146.
147.
148.
Equations of Periodic Functions
149–154 Choose the equation that describes the given periodic function.
149.
(A)