Math, asked by lamaheetman, 6 days ago

Q.if (m²+n²) cos A = m²- n², prove that (m²- n²) tanA = 2.
please help me!!!!!!

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Answered by Tiachaudhary

Answer:

Science, any system of knowledge that is concerned with the physical world and its phenomena and that entails unbiased observations and systematic experimentation. ... In general, a science involves a pursuit of knowledge covering general truths or the operations of fundamental laws.

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