BRILLIANT MODEL PAPER WITH OBJEC3.sin (90°- A)=(A) cosA[BM 2019)(D) c – InterviewSolution

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BRILLIANT MODEL PAPER WITH OBJEC3.sin (90°- A)=(A) cosA[BM 2019)(D) cosecA(B) tan A(B) tan A(C)(C) secA

Answer»

sin (90-A) = SEC a this is tegnometry formula

Sin (90-A)= cos Athanks

sin 90-A=CosA it is a trigonometry formula

cosA trigonometry basic question s

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