SOLUTION: please demonstrate how sin^2 + tan^2 + cos^2 = sec^2

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Question 302465: please demonstrate how sin^2 + tan^2 + cos^2 = sec^2
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
sin^2 + tan^2 + cos^2 = sec^2
Sin^2 + cos^2 = 1 Pythagorean identity
--> tan^2 + 1 = sec^2
Multiply thru by cos^2
--> sin^2 + cos^2 = 1