SAT Math Practice Question #28565 - SATify | SATify

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SAT Math Practice Question #28565 - SATify | SATify

#28565

trigonometry

equations

Calculus

hard

120 sec

How many values of $θ$ in the interval $0 < θ \leq 2 π$ satisfy

$5 cos 4 θ = 2 sin θ + 1$ ?

A.

4

B.

6

C.

7

D.

8

E.

10