3. What should be the rewrite of the integrand of f dx so that the I+cos x resulting integral is integrable? a. csc?x – csc x cot x c. 1+ sec x b. sec?x - sec x tan x d. csc x - cot x

Q: 2t Show that f/² sin tdt ≥ 7. (Hint: sin t ≥ ㅠ over [0, 1].)

A:

Q: 12. cosx(1+ tanx)² = secx + 2sinx %3D

A: Prove : cosx ( 1 + tanx)^2 = secx + 2 sinx

Q: What change of variable would you use for the integral sec-x -dx? 3 tanx

A:

Q: Differentiate: j(x) = sin x + csc x ... j' (x) = -cos x – csc a cot x j' (x) = cos a + csc æ cot r…

A: Given J(x)= sin(x)+ CSC(x) We know that d/dx(sinx)= cosx  d/dx(codec X)=-cosec(x)× cot(X)