Integration headache, please help.
Integration headache, I simply cannot see how come that this online calculator (see link) gives the result it gives (see link or attached picture). Please help, it is driving me crazy.
https://www.wolframalpha.com/input/?i2d=true&i=Integrate%5B-Sin%5Bt%5D*Exp%5B-i*t%5D%2C%7Bt%2C-pi%2C0%7D%5D
37
Answer
Answers can only be viewed under the following conditions:
- The questioner was satisfied with and accepted the answer, or
- The answer was evaluated as being 100% correct by the judge.

4.8K
-
Leave a comment if you need any clarifications.
-
The given sin(2t) identity I belive to be wrong, and it can be confusing. But I appreaciate the very fast response. Thank you.
-
Oh, it' a typo. Sin 2t =2 sin t cos t. There is no mistake in the solution, I just dropped the 2 in the last line when I wrote the trig identity.
The answer is accepted.
Join Matchmaticians Affiliate Marketing
Program to earn up to a 50% commission on every question that your affiliated users ask or answer.
- answered
- 750 views
- $15.00
Related Questions
- Evaluate $\iint_{\partial W} F \cdot dS$
- Calculating Driveway Gravel Area and Optimizing Cardboard Box Volume
- Compute $$\oint_{|z-2|=2} \frac{\cos e^z}{z^2-4}dz$$
- Evaluate the surface integral $\iint_{S}F \cdot dn$ over the given surface $S$
- Reduction formulae
- Application of Integral (AREA UNDER THE CURVE)
- Is $\int_0^1 \frac{\cos x}{x \sin^2 x}dx$ divergent or convergent?
- Evaluate $\iiint_W z dx dy dz$ on the given region