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Principle Of Mathematical Induction

Question

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Show that: $sin 4 straight A equals 4 sinA cos cubed straight A minus 4 cosA sin cubed straight A.$

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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