Question

If cos A=1/2 then the value of angle A is

b) 60°
a90°
c) 30°
d) 45°​

Answer 1

Answer:

$\huge \pmb{ \frak{ \blue{cos \: \theta \: \: = \frac{1}{2}}}}$

then,

$\huge{ \pmb{ \frak{ \red{ \theta = 60 \degree}}}}$

More to know :

• cos 30°=√3/2
• cos 45°=1/√2
• cos 60°=1/2