Question

If root 3 A= 1 then find the value of acute angle A​

Answer 1

Given: _/3 A =1

A= 1/_/3

tan 30 degree = 1/_/3

Answer 2

root3 tan theta=1

tan theta=1/root3

theta=30degree

now

sin2theta -cos2theta

=sin (2x30)-cos (2x30)

=sin60-cos60=root3/2-1/2=(root3-1)/2