Definite Integrals. Find the signed value of the definite integral using the proper mathematical method. In addition, you are free to check your answer if your calculator is capable of doing so. III. tan-1 y /tan-1 y ) dy y² + 1 1. ds 8. x² + 3 12x? + 2x – 7 2. V3+ 4x – x²* dx 9. Lx² + 4x³ – 7x +1) |dx R/3 3. VI- sin x dx cos x /3 dx 1+ tan x/ sec x + 10. e* + 4 dx 11. k² – 2ldx |x² -6 3dx 5. x² +5 x² + 1 n/2 sin² x (1 + cos x)² 2x dx - sec² x )dx 12. -9- За 6. | (cos 4x sin 3x – sin' x)dx 13. '(esc 2x log tan x) + (sin 3x cos 3x)]dx 4. los (+ sinx 2a n/2 7.m3 + acoth 2z) dz 14. a/2 (sin 3z

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