Question #ebf32

2 Answers
Feb 3, 2018

(1+cos240)/(1+cos240)=1

Explanation:

Substitute u=1+cos240

u/u, Since any number Divided by Itself is 1

The awnser Is 1 so,

(1+cos240)/(1+cos240)=1

Feb 4, 2018

1

Explanation:

(1+cos240)/(1+cos240)

If the top and bottom numbers of the fraction are equal, then the fraction is equal to 1.

:.=1