Write the expression as the
sine or cosine of an angle.
sin ſ cos - sin cos į
[?]
...
Mathematics, 11.05.2021 07:30 isaacb6291
Write the expression as the
sine or cosine of an angle.
sin ſ cos - sin cos į
[?]
7
Hint: sin(A + B) = sin A cos B = cos A sin B
cos(A + B) = cos A cos B = sin A sin B
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