I need help with these questions

3. sin A csc e cos d = cos d 5. cot A sin 0 cos 0 = cos2 0 7. csc 0 (sin 0 + tan 0) = 1 + sec 0 9.1 - sin A = cos2 0Express each given function value in terms of a function value of a positive acute angle (the reference angle). 1. sin215 2. cos95 3. tan255 4. sin165 5. cos 245 6. tan 300 7. sin 230 8. cos 330 9. tan 150