Question

What is the value of cos240°

(1) 1/2 (2) √3/2 (3)-1/2 (4)-√3/2

Answer 1

$\bold{\huge{Hay!!}}$


$\bold{Dear\:user!!}$



$\bold{\underline{Question-}}$

What is the value of cos240°

(1) 1/2 (2) √3/2 (3)-1/2 (4)-√3/2



$\bold{\underline{Answer-}}$


$\bold{Your\:answer\:is\:option\:(4)}$


$\bold{\underline{Explanation-}}$

$cos240 \\ \\ = > cos(180 - 60) \\ \\ \\ = > - cos60 \\ \\ \\ = > - \frac{1}{2}$

Answer 2

What is the value of cos240° answer is 1/2.