SOLUTION: {{{tan^2(x)(1+cot^2(x)^"")=1/(1-sin^2(x))}}}

Question 1154341:
Answer by Edwin McCravy(20081) (Show Source): You can put this solution on YOUR website!




Work with the left side:



Distribute:



Change the left side to sines and cosines:





Cancel:





Get LCD:



Combine numerators over LCD:



Use Pythagorean identity in numerator:



Use Pythagorean identity in denominator:



Edwin

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