SOLUTION: please help me identify this identity: cos ^2 theta(tan^2 theta+1)+cot^2 theta= csc^2theta

Question 605372: please help me identify this identity:
cos ^2 theta(tan^2 theta+1)+cot^2 theta= csc^2theta
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
please help me identify this identity:
cos ^2 theta(tan^2 theta+1)+cot^2 theta= csc^2theta
----
cos^2*(tan^2 + 1) + cot^2 = csc^2
----
Work on the left side:
sin^2 + cos^2 + cot^2 = csc^2
----
1 + cot^2 = csc^2
---
That is one of Pythagorean identities:
csc^2(theta) = csc^2(theta)
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Cheers,
Stan H.
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