cos 0 3 sin O .sin (90° - 90) cos (90° —0) – InterviewSolution

1.	cos 0 3 sin O .sin (90° - 90) cos (90° —0)
Answer» sin(90-A) =cosASimilarly,cos(90-A)= sinASo the equation becomescos(thita)/cos(thita) + sin(thita) /sin(thita) =1+1 =2

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