SOLUTION: Verify the following identity cos(x)sin(squared)(x)+cos(cubed)(x)/ sin(x)=cot(x)

Algebra ->  Trigonometry-basics -> SOLUTION: Verify the following identity cos(x)sin(squared)(x)+cos(cubed)(x)/ sin(x)=cot(x)      Log On


   

Question 374918: Verify the following identity cos(x)sin(squared)(x)+cos(cubed)(x)/
sin(x)=cot(x)
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


After struggling with this for 20 minutes, I finally let .

I'll leave it as an exercise for the student to verify that:

.

which provides a counter example and proves that:

.




John

My calculator said it, I believe it, that settles it
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