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Principle Of Mathematical Induction

Question

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Prove the following:

$fraction numerator cos 3 straight A plus 2 cos 5 straight A plus cos 7 straight A over denominator cosA plus 2 cos 3 straight A plus cos 5 straight A end fraction equals fraction numerator cos 5 straight A over denominator cos 3 straight A end fraction$

Solution

Solution not provided.

Some More Questions From Principle of Mathematical Induction Chapter

If in two circles, arcs of the same length subtend angles 60° and 75° at the centre, find the ratio of their radii.

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