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trigonometric identity
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A trig identity 2006-03-28
From Iqbal:
Could you please prove,

[tan(x)-sin(x)]/sin3(x)=sec(x)/[1+cos(x)]
Answered by Stephen La Rocque.
A trigonometric identity 2006-01-22
From Sarfaraz:
Prove the following trigonometric identity.
sin2x = tan2x/(1+tan2x)
Answered by Penny Nom.
A trigonometric identity 2002-03-22
From Debby:
I am stuck on a problem and wondering if you can help?? It is: Prove the following:
sec2(X)+csc2(X) = sec2(X)csc2(X)
Answered by Harley Weston.
 
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