Sunday, August 11, 2013

If x is an angle and tan x = 5, find the exact value of the trigonometric functions sin x and cos x.

tan x = opp/adj = 5/1 

hyp+=sqrt%281%5E2%2B5%5E2%29=sqrt%2826%29 

Therefore 
sin%28x%29=%285%2Asqrt%2826%29%29%2F26%0D%0A 
cos%28x%29=sqrt%2826%29%2F26

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