Math, asked by khushi222520, 8 months ago

13. If root3 tan theeta - 1 = 0, find the value of sin2- cos2theeta.

Answers

Answered by sshailshetty

1

Answer:

Heya mate you answer

rock in maths

Step-by-step explanation:

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

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