Use the identity for cos (A - B) and the identities And to prove that sin (A
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And
to prove that sin (A + B) = sin A cos B + cos A sin B
Transcribed Image Text:
A-cos(-A) cos A = sin(5-4)
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Related Book For
Discovering Advanced Algebra An Investigative Approach
ISBN: 978-1559539845
1st edition
Authors: Jerald Murdock, Ellen Kamischke, Eric Kamischke
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