Use a sum or difference formula to find the exact value of the following Use a...

Question

Question

Use a sum or difference formula to find the exact value of the following

Answer 1

Answer #1

:00 Q:- Sin 21 cox 4T + Cor 2 Sin 415 .00 5 15 15 001 00 Sin (utv) = sin u cos vt cosuising Sinau Col4IT C942 Sin 40 + 5 i Is

Answer 2

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