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OpenStudy (anonymous):
Last question thanks :)
If tan x =0.5 calculate the exact value of sin x and cos x for 0
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OpenStudy (alekos):
tanx = 1/2 so drawing a right angled triangle with one side equal to 1 and the other equal to 2 will give us a hypotenuse of sqrt5 from here you can work out sinx and cosx
OpenStudy (anonymous):
Ahh yes thanks :)
OpenStudy (alekos):
no problem, your welcome
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