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Math Help - need help with indefinite integral problem

  1. #1
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    need help with indefinite integral problem

    I need the indefinite integral of (sin(2x)/sin(x)) dx. Someone please show me the steps!
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  2. #2
    Member mohammadfawaz's Avatar
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    Lebanon - Beirut
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    Re: need help with indefinite integral problem

    Well, think about sin(2x). How can you write it in another way? what formulas you know for sin(2x). Once you do that, your integral is done.
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  3. #3
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    Re: need help with indefinite integral problem

    damn! Thanks, I cant believe I forgot about the double angle formulas :[
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