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Recent questions tagged trigonometric-identities

Trigonometry help?

asked Jul 16, 2014 in ALGEBRA 2 by anonymous

Precal trig identities help!?

asked Jul 16, 2014 in PRECALCULUS by anonymous

Prove that!!!!!!!!!!!!!!!!!!!

asked Jul 15, 2014 in TRIGONOMETRY by anonymous

Trigonometry!! help?

asked Jul 11, 2014 in TRIGONOMETRY by anonymous

Prove that

asked Jul 11, 2014 in PRECALCULUS by anonymous

Derive a formula for cos 3θ,

asked Jul 10, 2014 in ALGEBRA 1 by anonymous

Verifying Trigonometric Identities

asked Jul 5, 2014 in TRIGONOMETRY by anonymous

Let X and Y are real numbers such that sinX/sinY = 3 and cosX/cosY = 1/2.

asked Jun 24, 2014 in TRIGONOMETRY by anonymous

If 10sin^(4)A + 15cos^(4)A = 6

asked Jun 24, 2014 in TRIGONOMETRY by anonymous

Pythagorean Identities - Please Help?

asked Jun 20, 2014 in ALGEBRA 1 by anonymous

Prove that:

asked Jun 18, 2014 in TRIGONOMETRY by anonymous

Simplify 2cos^2x - sinx

asked Jun 17, 2014 in TRIGONOMETRY by anonymous

If sinx + sin^2x=1,

asked Jun 11, 2014 in TRIGONOMETRY by anonymous

Two trigonometric help

asked Jun 7, 2014 in TRIGONOMETRY by anonymous

How would I show that Sin4x=4sinxcosxcos2x?

asked May 22, 2014 in TRIGONOMETRY by anonymous

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