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Grade: 12th pass
        if sin x + cos x=√2 cos (90-x), then cot x is equal to
8 months ago

Answers : (1)

Arun
13802 Points
							
Dear Gaurav
 
sinθ+cosθ=√2cos(90- θ)
= sinθ + cosθ = √2sinθ
= (sinθ + cosθ)/sinθ = √2sinθ/sinθ                     [dividing both sides by sinθ ]
=  1 + cotθ  = √2
=  cotθ = √2-1
 
 
Regards
Arun (askIITians Forum expert)
8 months ago
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