SOLUTION: Evaluate: {{{ 21tan^2(1432) - 21sec^2(1432) }}} Please show steps Thank you

SOLUTION: Evaluate: {{{ 21tan^2(1432) - 21sec^2(1432) }}} Please show steps Thank you

Algebra.Com

Question 961339: Evaluate:
Please show steps
Thank you
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Evaluate:
Identity: tan^2(x)-sec2x=-1
21tan^2(1432) - 21sec^2(1432)
21(tan^2(1432) -sec^2(1432)=21*(-1)=-21
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