Asked by maria

Verify that each trigonometric equation is an identity tan^2+1/sec Î± =sec Î±

14 years ago

Answered by Reiny

Please check with your previous post before re-posting the same question.

http://www.jiskha.com/display.cgi?id=1310559328

14 years ago

Answered by kathy

x=-16 ,y=17 when x squared -4y squared

14 years ago

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