# Step-by-step solutions of indefinite integral?

Posted 2 years ago
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 Hi guys, do you know how could I solve an indefinite integral with step-by-step solution and specifying the variable of integration? For example: WolframAlpha["cos(tw+f)cos(t*w)", IncludePods -> {"Indefinite Integral"}, PodStates -> {"Step-by-step solution", "Show all steps"}] in this case Mathematica chooses as variable of integrazion w, but I would variable of integration is t. I tried to lunch: WolframAlpha["[cos(tw+f)cos(t*w),{t}]", IncludePods -> {"Indefinite Integral"}, PodStates -> {"Step-by-step solution", "Show all steps"}] but doesn't work.Thank you for your help.
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Posted 2 years ago
 If in Mathematica I enter =Integrate[Cos[t*w+f]Cos[t*w],t] and after WolframAlpha returns the result I tap on the grey + to show more information and then click on the orange step-by-step- solution then it shows me the steps and seems to use the correct variable of integrationUnfortunately I don't know how to translate that into your Pods.
Posted 2 years ago
 WolframAlpha["int cos(tw+f)cos(t*w) over t", PodStates -> {"IndefiniteIntegral__Step-by-step solution"}] 
Posted 1 year ago
 Hi Vitaliy, does this mean that only when W|A has the "Step-by-step solution" pod, can one use this to get that step by step solution? For example, I could not get the step by step solution for this integral with the same WolframAlpha function call. double integral example