Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Q. #15 Please prove the following trig identities/equalities. To do so, start with LHS (or RHS) and get RHS (or LHS). If easier, ok to work on both sides BUT don't intermix the sides ! a) cos 20-1-2 sin ²0 b) 1-cos 20 cose = 2tan sin Final Answer See at left! Page 11 of 15 Final Answer
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Transcribed Image Text:Q. #15 Please prove the following trig identities/equalities. To do so, start with LHS (or RHS) and get RHS (or LHS). If easier, ok to work on both sides BUT don't intermix the sides ! a) cos 20-1-2 sin ²0 b) 1-cos 20 cose = 2tan sin Final Answer See at left! Page 11 of 15 Final Answer
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