Can these two equations be solved for T with limits from 0 to 2pi?

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Homework Help Overview

The discussion revolves around solving two equations involving integrals with limits from 0 to 2π, specifically focusing on trigonometric functions. The equations are T[Cos(t)] = ∫[Sin(t-x)Cos(t)]dx and T[Sin(t)] = ∫[Sin(t-x)Sin(t)]dx.

Discussion Character

  • Exploratory, Assumption checking, Problem interpretation

Approaches and Questions Raised

  • Participants discuss the need to show effort before receiving help and question the integration process. There is a suggestion to consider the constants Sin(t) and Cos(t) in relation to the integration variable x.

Discussion Status

Some participants have computed the integrals and reported results of zero, leading to further exploration of the implications of integrating sinusoidal functions over the specified limits. There is an acknowledgment of the need for clarity regarding the limits of integration.

Contextual Notes

Participants note that the original poster did not initially clarify the limits of integration, leading to confusion regarding the results obtained from the calculations.

blackbear
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Can someone help solve these two equations:

1. T[Cos(t)] = ∫[Sin(t-x)Cos(t)]dx the limits are from 0 to 2pi

2. T[Sin(t)]=∫[Sin(t-x)Sin(t)]dx; the limits are from 0 to 2pi


Thanks
 
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What have you tried? You need to make a reasonable effort before we can provide any help.
 
blackbear said:
Can someone help solve these two equations:

1. T[Cos(t)] = ∫[Sin(t-x)Cos(t)]dx the limits are from 0 to 2pi

2. T[Sin(t)]=∫[Sin(t-x)Sin(t)]dx; the limits are from 0 to 2pi


Thanks

Per the PF rules, you need to show some effort at solving these problems before we can help you. But I'll offer a hint: If the integration is with respect to x (as indicated by the dx in each equation), then what can you do with the Sin(t) and Cos(t) terms in each equation?
 
Well Sin(t) and Cos(t) is a constant; each of these terms will come outside the integration, if we x is the integrating variable.
 
Last edited:
I computed both the integration and getting "0" for both results!
 
blackbear said:
I computed both the integration and getting "0" for both results!

Probably related to integrating sinusoidal functions from 0 to 2*PI, eh?
 
yes...the integrating result with 0 to pi gave me the "zero" results.
 
You really should post your attempted solution so that we can see what's plaguing you...
 
blackbear said:
yes...the integrating result with 0 to pi gave me the "zero" results.

No, you said 0 to 2*PI in your original post (OP) above.
 
  • #10
my mistake..my result came to be "0" for both the equations when the limits are from 0 to 2pi.

regards
 

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