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Grade 10Trigonometry

Can U plz help me to solve this?
If (sinA+cosA)=(sqrt2) sin(90-A).
show that, cotA=(sqrt2)+1.

Profile image of karthikeya
10 Years agoGrade 10
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1 Answer

Profile image of Navneet Biswal
10 Years ago
sinA+cosA=(sqrt2) sin (90-A) ; so as we know that sin (90-A) =cos A (allied angles); now sinA + cosA

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