hlp me plz..... I'll mark you as a brainliest
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2(sin^2 A+cos^2a)/ sin^2a- cos^2a
so . ..as u now cos 2a = cos ^ 2a- sin^2a ...
so -2/Cos2a ... which can be written as .. 2/1- 2 cos²a
hp
so . ..as u now cos 2a = cos ^ 2a- sin^2a ...
so -2/Cos2a ... which can be written as .. 2/1- 2 cos²a
hp
yana85:
Jo likha hai
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