liltessa liltessa

17-04-2017
Mathematics

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The point (3, -4) is on the terminal side of an angle 0. What is cos 0? A. -3/5, B. 3/5, C. -3/4, D. 3/4, E. 3

Respuesta :

jdoe0001 jdoe0001

17-04-2017

well, notice the picture below

recall cosine is adjacent over hypotenuse

what's the hypotenuse? well, you can just use the pythagorean theorem to get "c" or hypotenuse

Ver imagen jdoe0001

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