Which of the following is the value of given that ?
(A)
(B)
(C)
(D)
Thanks!
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Which of the following is the value of given that ?
(A)
(B)
(C)
(D)
Thanks!
We know that .
So,
From the following trigonometric identity
we can find the value of
Therefore the correct answer is (A).:)
Thanks Nicole!