Show that s in(4) = (cos)(4 sin 8 sin 3 ).
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Show that s in(4θ) = (cosθ)(4 sinθ− 8 sin3θ).
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To show that s in4 is equal to cos4 sin 8 sin3 we can use the double angle identity for sine and the ...View the full answer
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Related Book For
Precalculus Concepts Through Functions A Unit Circle Approach To Trigonometry
ISBN: 9780137945139
5th Edition
Authors: Michael Sullivan
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