SOLUTION: Please help!
If we establish an identity:
(tan A - cot A)/(tan A + cot A) would equal what?
Thank you, Tami
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-> SOLUTION: Please help!
If we establish an identity:
(tan A - cot A)/(tan A + cot A) would equal what?
Thank you, Tami
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Question 149984: Please help!
If we establish an identity:
(tan A - cot A)/(tan A + cot A) would equal what?
Thank you, Tami Answer by scott8148(5891) (Show Source):
You can put this solution on YOUR website! multiplying the numerator and denominator by sin(A)*cos(A) gives [sin^2(A)-cos^2(A)]/[sin^2(A)+cos^2(A)]
since sin^2(A)+cos^2(A)=1, we are left with sin^2(A)-cos^2(A) or 1-2cos^2(A)
