SOLUTION: Hi! Simplify: {{{ (1-2sin^2(x))/(cos^2(x))+tan^2(x) }}} Would be nice to have explanations too. Thanks

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Question 730240: Hi!
Simplify:

Would be nice to have explanations too.
Thanks
Answer by fcabanski(1391)   (Show Source): You can put this solution on YOUR website!


so


So the expression becomes


They have the same denominator, so now add them.


Look at the denominators:


That goes over the common denominator:

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