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Student Support Forum > General > > "Intergration of Expressions with nonconstants"

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Please answer this:1+2 =



Original Message (ID '61777') By yehuda:
change theta1 to theta1[t] and the same for theta2[t] This way you can always differentiate and integrate correctly If you use NonConstants option it is rather complicated to let Integrate be aware that, e.g., Sin[theta2] depends on t yehuda