SOLUTION: I'm not sure if this is Trig, but I need help with this problem: Beginning with cos^2X + sin^2X = 1, use algebra to develope the Pythagorean identity that involves cotX and cscX

Algebra ->  Trigonometry-basics -> SOLUTION: I'm not sure if this is Trig, but I need help with this problem: Beginning with cos^2X + sin^2X = 1, use algebra to develope the Pythagorean identity that involves cotX and cscX      Log On


   

Question 453459: I'm not sure if this is Trig, but I need help with this problem:
Beginning with cos^2X + sin^2X = 1, use algebra to develope the Pythagorean identity that involves cotX and cscX
Answer by solver91311(24713) About Me  (Show Source):
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Recall that and







Apply the LCD in the RHS:



Multiply both sides by



Replace and in the LHS with their and equivalents:



Simplify:



Recall that



John

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