Question

sec theta = 2 find the value of theta ​

Answer 1

Answer:

sec theta = 2

we must find

$sec ^{ - 1} (2)$

sec theta = 2

$\frac{1}{cos \: theta} = 2$

$\cos \: theta \: = \frac{1}{2}$

$cos^{ - 1} ( \frac{1}{2} ) = \frac{\pi}{3}$

so, here

$theta = \frac{\pi}{3}$