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September 18, 2014

September 18, 2014

Posted by **Ma.Theresa Limjap** on Thursday, June 24, 2010 at 6:59am.

- trig -
**Reiny**, Thursday, June 24, 2010 at 7:09amso you know that x (adjacent) is 1 and

y (opposite) is 2

Using Pythagoras we can find r (the hypotenuse)

r^2 = 1^2 + 2^2 = 5

r = √5

now now simply use the definitions to form the 6 different trig ratios

e.g.

cos Ø = adj/hyp = 1/√5

sec Ø = 1/cosØ = √5

etc

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