Question

If 4Cos0 = 3 then 0 =----​

Answer 1

If cos 0 =3/4

Square rooting rhs

Cos0=√3/2

0=30°

Answer 2

To find the value of ∅

Given:

4cos∅=3

Solution:

$\sf{4cos \: \theta = 3} \\ \\ \implies \: \sf{cos \: \theta = \frac{3}{4} } \\ \\ \implies \: \huge{\boxed{\sf{ \theta = cos {}^{ - 1} \frac{3}{4} }}}$