11-14 please help please... this is just our review... no need for solution please. answer directly only.... please... IN RETURN I WILL GIVE HELPFUL RATING DIRECTLY...

11. Integrate x cos(2 x2 + 7)dx. A. 1/4 sin(2x2 + 7) + C C. 1/4 cos(2x2 + 7) + C B. sin(2x2 + 7) + C D. 1/4 (sin - 0) (x2 + 7) + C 12. Evaluate S tan(In x dx . X A. In cos(In x) + C C. 1/2 tan' (In x) + C B. In sec(In x) + C D. tan (In x)2 + C 13. Evaluate S (cos x) (In sin x) dx . A. sin x (1 - In sin x) + C C. sin x (In sin x - 1) + C B. sin x (1 + In sin x) + C D. In vsin x + C 14. Evaluate S tan 0 In sec 0 de . A. 2(In sec 0)2 + C C. 1/2 (In sec 0) + C B. (In sec 0)2 + C D. 1/2 (In sec 0)2 + C