Compound angle (prove)

2008-03-02 11:41 pm

Prove by mathematical induction where n is a positive integer:

cosxcos2xcos2^2 xcos2^3 x...cos2^n x=sin2^n+1 x/2^n+1 sinx

回答 (1)

2008-03-03 12:01 am

✔ 最佳答案

Please refer to the following solution:

圖片參考：http://hk.geocities.com/stevieg_1023/MI893274.gif

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