Question

If sin @-cosec @ = 2, then find sin^2@ + cosec^2 @​

Answer 1

Answer:

2

Step-by-step explanation:

sin @-cosec @ = 2

squaring both sides;

(sin @-cosec @)² = 2²

=sin^2@ + cosec^2 @​ + 2sin@cosec@=4

=sin^2@ + cosec^2 @​ + 2=4

=sin^2@ + cosec^2 @​=4-2=2