if tan theta - cot theta = a and cos theta + sin theta = b Show that (a^2 - Maths - Introduction to Trigonometry

Question

if tan theta - cot theta = a and cos theta + sin theta = b Show
that (a^2 +4)(b^2 - 1)^2 = 4

Nikhil Kumar Singh · Accepted Answer

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if tan theta - cot theta = a and cos theta + sin theta = b .Show that (a^2 +4)(b^2 - 1)^2 = 4