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Recent questions tagged trigonometric-identities

Trigonometry formulas

asked Dec 22, 2014 in TRIGONOMETRY by anonymous

How do I find a formula that expresses

asked Dec 13, 2014 in TRIGONOMETRY by anonymous

I have no idea how to go about this problem. Please help.?

asked Dec 6, 2014 in TRIGONOMETRY by anonymous

Hi, can you please help me with these trig questions?

asked Nov 26, 2014 in TRIGONOMETRY by anonymous

Prove the following identity: tan(x) + cot(x) = sec(x)csc(x)?

asked Nov 26, 2014 in TRIGONOMETRY by anonymous

Math question. tan(x)=-1 and tan(y)=2 find tan(x+y) and tan(x-y)?

asked Nov 26, 2014 in TRIGONOMETRY by anonymous

Prove

asked Nov 20, 2014 in TRIGONOMETRY by anonymous

Trigonometry double angle:

asked Nov 18, 2014 in TRIGONOMETRY by anonymous

Help proving this trigonometric equation as an identity?

asked Nov 17, 2014 in TRIGONOMETRY by anonymous

How would I prove the following trig question?

asked Nov 17, 2014 in TRIGONOMETRY by anonymous

Verify the identity

asked Nov 15, 2014 in TRIGONOMETRY by anonymous

Trig identities are the devil

asked Nov 15, 2014 in TRIGONOMETRY by anonymous

Tan (x+π/4)= (cosx + sinx)/(cosx-sinx) How do I prove this?

asked Nov 13, 2014 in TRIGONOMETRY by anonymous

Prove that

asked Nov 13, 2014 in TRIGONOMETRY by anonymous

Trigonometric Identity Help?

asked Nov 11, 2014 in TRIGONOMETRY by anonymous

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