Quotient Identity and Pythagorean Identity
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Prove the identities.
A) TANa + 1 = 1
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TANa SINa COSa
B) TANa-1= SIN^2a - COS^2a
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SINa COSa + COS^2a.
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Solution Summary
Quotient and pythagorean identities are investigated and discussed in the solution.
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(A) tan(a)+1/tan(a)=sin(a)/cos(a)+cos(a)/sin(a)
=(sin^2(a)+cos^2(a))/(sin(a)cos(a))
=1/(sin(a)cos(a))
Thus ...
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