If sin A = √3/2, find the value of 2 cot^2 A -1.
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Solution:-
Given,
We have find the value of
Trigonometry ratio
Now using pythagoras
h = 2 , p = √3 , b = ?
h² = p² + b²
( 2 )² = ( √3 )² + b²
4 = 3 + b²
4 - 3 = b²
b² = 1
b = 1
Value of cot ( A ) = 1 / √3
Now put the value on
we get ,
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