Question

find integration of sin x + sin 2x ​

Answer 1

Answer:

dx=du−sinx . I=∫−sinx(cosx+1)( cosx−1)(2cosx+1)⋅du−sinx ... If we substitute the second equation A=3B into the first and third we get. 3 .

Answer 2

Answer:

ur answer is above

Step-by-step explanation:

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