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Principle Of Mathematical Induction

Question

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Prove that:

$sinx plus sin 3 straight x plus sin 5 straight x plus sin 7 straight x equals space 4 space cosx space cos 2 straight x space sin 4 straight x$

Solution

Solution not provided.

Some More Questions From Principle of Mathematical Induction Chapter

Find 1 radian angle in degrees, minutes, seconds.

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