Prove the following
2 + 2 + 2 + 2 cos 8x
- 2 cosx
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Step-by-step explanation:
https://www.shaalaa.com/question-bank-solutions/prove-the-following-2-2-2-cos8x-2-cosx-trigonometric-functions-of-double-angles_168164
Answered by
0
Step-by-step explanation:
Prove the following
2 + 2 + 2 + 2 cos 8x
- 2 cosx
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