Question

The value of 13 cot^2θ - 13 cosec^2θ is ​

Answer 1

Step-by-step explanation:

lets take theta symbol as @

13(cot^2@-cosec^2@)

=13{(cos^2@/sin^2@)-(1/sin^2@) }

=13{(cos^2@-1) /sin^2@} here sin^2@ common in denominator

=13(-sin^2@/sin^2@)

=-13. ans