ConceptTrigonometric Identities

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#### Question

If m=(acosθ + bsinθ) and n=(asinθ – bcosθ) prove that m^{2}+n^{2}=a^{2}+b^{2}

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#### Reference Material

Solution for question: If m=(acosθ + bsinθ) and n=(asinθ – bcosθ) prove that m^2+n^2=a^2+b^2 concept: Trigonometric Identities. For the course CBSE