Topic: Trigonometry Identities
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How to Do Trigonometry With Identities
Students may find trigonometric equations challenging because they require two skills: the ability to memorize eight main identities and derive additional rules, as well as the ability to solve conditional equations. Not memorizing the trig... Read More »
Source: http://www.ehow.com/how_8612676_do-trigonometry-identities.html
How to Use Pythagorean Identities in Trigonometry
Using the Pythagorean theorem, the unit circle, and sin and cosine you can learn how to use these identities to solve and simplify trigonometric equations, make additional trigonometric identities, and evaluate trigonometric functions. Lear... Read More »
Source: http://www.ehow.com/how_2221584_use-pythagorean-identities-trigon...
What are the identities of trigonometry?
sin^2 (feta) + cos^2 (feta) = 1 sin (feta) / cos (feta) = tan (feta) Read More »
Source: http://wiki.answers.com/Q/What_are_the_identities_of_trigonometry
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Trigonometry Identities
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The Pythagorean trigonometric identity is a trigonometric i...
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Sine, cosine and tangent are the trigonometry identities. Cosecant,... ...MORE...
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by proving l.h.s=r.h.s
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Source: http://wiki.answers.com/Q/How_do_you_solve_trigonometry_identitie...
This isn't an identity. If x = π/4, for example, the left hand side is 2sec²(π/4) - 2sec²(π/4)sin²(π/4) - cos²(π/4) = 4 - 2 - 1/2 = 3/2 ≠ 1. Perhaps there is a typo somewhere. (??)
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Source: http://answers.yahoo.com/question/index?qid=20120226132111AAJnsKJ
To verify Trigonometry Identities: First solve left side part of the identity to a particular step. Then solve right side part of the identity till the step(result of left side part of identity). Hope this will help you...
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Source: http://answers.yahoo.com/question/index?qid=20120227225732AA34Y7W
Factoring each of the terms you might get: 1 + cos(x) ± sin(x) = 2√2 cos(x/2) sin(π/4 ± x/2) 1 + sin(x) = 2 ( sin(π/4 + x/2) )² cos(x) = 2 sin(π/4 + x/2) sin(π/4 - x/2) For the first side of the equation you get: ( 1 + cos(x) + sin(x) ) / (...
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Source: http://answers.yahoo.com/question/index?qid=20120226125823AAD72Fl
