Trigonometric ratios for complementary angles

Palak Kanti Maitra
05 Jul 0 0

When the sum of two angles=90 degrees, they are called complementary angles.

We can use following formula →sin(90-θ)=cosθ,cos(90-θ)=sinθ,tan(90-θ)=cotθ,cosec(90-θ)=secθ,sec(90-θ)=cosecθ

We can apply this to evaluate the following example :-



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