Physics, asked by tanisigupta88, 4 months ago

pls answer this question fast

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Answered by PiyaniPrashansaa

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Trignometrical Formulae. sin(A + B) = sinA cosB + cosA sinB sin(A − B) = sinA cosB − cosA sinB cos(A + B) = cosA cosB − sinA sinB cos(A − B)

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