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Trigonometry (view source)

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==Useful websites==

# Trigonometry on wikipedia click [http://en.wikipedia.org/wiki/Trigonometry here]

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#[https://www.khanacademy.org/math/trigonometry/basic-trigonometry/basic_trig_ratios/v/basic-trigonometry| khan academy trigonometry video]

#For more about trigonometry click [http://www.sosmath.com/trig/trig.html here]

#[http://www.mathsisfun.com/algebra/trigonometry.html - fundamentalconcept of angle in trignometry] this web describes trignometrical functions

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