CAT WhatsApp Group
Sign in
Please select an account to continue using cracku.in
↓ →
CAT WhatsApp Group
Expression : cos -4π/3
$$\because cos(-x) = cos x$$
= $$cos (\frac{4 \pi}{3})$$
= $$cos (\pi + \frac{\pi}{3}) = -cos (\frac{\pi}{3})$$
= $$-\frac{1}{2}$$
=> Ans - (D)
Create a FREE account and get:
