Rewrite the expression in terms of the given function. 1/(1+cos x)+cos x/(1-cos x);cot x

Kymani Hatfield 2022-10-22 Answered
Rewrite the expression in terms of the given function.
1 1 + cos x + cos x 1 cos x ; cot x
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Answers (1)

honejata1
Answered 2022-10-23 Author has 10 answers
Answer:
1 1 + cos x + cos x 1 cos x ; cot x = 1 cos x + ( 1 + cos x ) ( cos x ) 1 cos 2 x = 1 + cos 2 x 1 cos 2 x = 1 + cos 2 x sin 2 x = 1 sin 2 x + cos 2 x sin 2 x = csc 2 x + cot 2 x = ( 1 + cot 2 x ) + cot x = 1 + 2 cot 2 x
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