Question

Please solve the question in attachment

Answer 1

in option A as we know that sin is a function that has range {-1,1} so A is incorrect. And In C option the sin is always defined for every angle,so C is also incorrect. and in B option this can be true for some values so B is correct

Answer 2

As we know sin values are always lies on 0 to 1.


so option B is correct