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Simplify the given expression \(\sqrt{\frac{1 - cos x}{1 + c...

Simplify the given expression 1cosx1+cosx

A.

1cosxsinx

B.

1 - cos x

C.

sin x

D.

1 + cos x

E.

1+cosxsinx

Correct answer is A

1cosx1+cosx = a

a2 = 1cosx1+cosx

1cosx1+cosx = 1cosx1cosx

= (1cosx)2cos2x

a2 = (1cosx)2sin2x

a = 1cosxsinx