Question

Formula for sin(A±B), cos(A±B), tan(A±B) and cot(A±B)??

Answer 1

Hey !!!

sin ( A +- B ) = sinA × cosB +- cosA×sinB

cos ( A + - B) = cosA× cosB -+ sinA×sinB

tan ( A +- B ) = tanA +- tanB /1 -+ tanA× tanB

cot ( A + - B ) = cotA × cotB +- 1 / cotB -+ cotA

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Hope it helps you !!;

@Rajukumar111 ☺