SAT Math Practice Question #23152 - SATify | SATify

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SAT Math Practice Question #23152 - SATify | SATify

#23152

sequences and series

trigonometry

medium

120 sec

Let $x_{n} = sin^{2} (n^{\circ})$ . What is the mean of $x_{1}, x_{2}, x_{3}, \dots, x_{89}$ ?

A.

$\frac{89}{180}$

B.

$\frac{1}{2}$

C.

$\frac{91}{180}$

D.

$\frac{44}{89}$

E.

$\frac{89}{90}$