Math, asked by manthan190106, 8 months ago

If a cos theta + b sin theta = p,
a sin theta - b cos theta = q, Prove that
${a}^{2} + \: {b}^{2} = {p}^{2} + \: {q}^{2}$

Answers

Answered by ItzNobitaSmart

Step-by-step explanation:

Answer:

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