Question

If sino=caso then value of
value of cosec 20 is - ​

Answer 1

Answer:

cosec^2 theta / 2

Step-by-step explanation:

since costheta= sin theta .....

Cosec2theta= 1/ sin 2 theta

=1/2sin theta× costheta

=1/2sin^2theta (or) =1/2cos^2theta

=cosec^2 theta/2 (or) sec^2theta/2

Answer 2

Answer:

Given that :-

Sin O = Cos O

=>Sin 45° = Cos 45°

O= 45°

Now the value of Cosec 2O

=>Cosec 2×45°

=> Cosec 90°

=> 1