Question

If tan theta =3/4,then find cos²theta-sin²theta

Answer 1

Answer:

Given that,

Tan theta=3/4=opposite/adjacent

By using the Pythagoras theorem,

Hy²=s²+s²

Hypotenuse=5

Now,cos²theta-sin² theta

=16/25-9/25

=16-9/25=7/25

Step-by-step explanation:

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