Help on Pre-Calculus trig question.

1) Prove: (1/1-cos x) + (1/1+cos x) = 2 csc^2 x

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1 ) (1/1-cos x) + (1/1+cos x) = ( 1 − c o s x ) ( 1 + c o s x ) ( 1 + c o s x ) + ( 1... View the full answer

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= (1/1-cos x) + (1/1+cos x) take LCM of both denomenators LCM = :... View the full answer

(1/1-cos x) + (1/1+cos x) = 2 csc^2 x take left hand side, (1/1-cos x) + (1/1+cos x) cross... View the full answer

The trigonometric identity is proved... View the full answer