Use the product-to-sum formulas to rewrite the product as a sum or difference. sin 70 sin...

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Answer 1

Answer #1

solwion - Given we know that sin 70. Sin 30. - 2 sinal sin(B) = Cos CA-B) - Los CA+B) Ficol sin(a). SinkB) = + ( as CA-B) - C

Answer 2

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