Sign in
Please select an account to continue using cracku.in
↓ →
Expression : cos -300° = x
$$\because$$ $$cos(-x)=cos(x)$$
= $$cos(300)$$
= $$cos(360-60)=cos(60)$$
= $$\frac{1}{2}$$
=> Ans - (A)
Create a FREE account and get:
Educational materials for CAT preparation