If sinA = 12/13 , find cosA and tanA


Answer:


This is one of the easiest question in Trigonometry!
When we have been given the value of sin A, to find cos A we just need to apply and solve the Trigonometric identity.

I.e. cos A = √(1 - sin^2 A)

And to find tanA , we need to apply and solve the trigonometric identity.
I.e. tan A = sin A / cos A

And then we can simply find the value of Trigonometric ratios in Trigonometry.

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