SOLUTION: prove that tan+cot=sec cosec
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Question 1056712
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prove that tan+cot=sec cosec
Answer by
Boreal(15235)
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(sin x/cos x)+(cos x/sin x)=
common denominator of cos x* sin x
numerator is sin^2 x+ cos^2 x
that equals 1
Therefore, we have 1/(cos x* sin x)=
1/ cos x * 1/ sin x
That is sec x* csc x