Question

8. If √3 tan theta =1 then evaluate (cos^2 theta - sin^2 theta).​

Answer 1

$\sqrt{3} tan(x) = 1$

tan(theta)=1/√3

tan(theta)=tan(30⁰)

theta=30⁰

According to Question

=cos²30⁰-sin²30⁰

=(✓3/2)²-(1/2)²

=3/4 - 1/4

=2/4

=1/2 is the correct answer

Mark me as Brainlist If answer is Correct.

Solved by AbHi SaH

Contact me on [email protected]