Ok..uh, in a bit stuck.

1. Determine the greatest possible value of

Well i know that the greatest value of a sin function is 1...so overall this would give - 3.

The min value of a sin function is -1...so overall this gives the value 3..

However the second part of the question is

b.) determine the value of x/

The answer is 9....i get -27...what am i doing wrong :S?

I know that if the sin function is to be -1 then

and re-arranging gives x = -27.

Question 2

Solve:

After converting cosec x into 1/sinx and multiplying through... i get this but now im stuck lol.

Any help would be greatly appreciated. Thank you!