Write the expression as the
sine or cosine of an angle.
cos 7y cos 3y sin 7y sin 3y
[?]...
Mathematics, 05.12.2020 08:30 xxsyd21
Write the expression as the
sine or cosine of an angle.
cos 7y cos 3y sin 7y sin 3y
[?][ ]y)
.
Hint: sin(A + B) = sin A cos B = cos A sin B
cos(A B) = cos A cos B i sin A sin B
Answers: 2
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Which statement is always true? a. square bcdf is a rectangle. b. rectangle gjkm is a square. c. quadrilateral stpr is a trapezoid. d. parallelogram abcd is a rhombus.
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