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    I can't seem to understand how to solve a four mark question in my maths homework. I really need help cause I have to submit the homework soon... Anyone who knows?

    3sin(2x)-4=5sin(2x)-3
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    you should get 2sin(2x)=-1
    then u can solve and x should be two values
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    (Original post by angrypoliceman)
    you should get 2sin(2x)=-1
    then u can solve and x should be two values
    are you sure? I'm kind of scared because it's a four mark question and the topic in class is identities... so there is no need to use the double angle identity?
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    (Original post by Jenblankz)
    are you sure? I'm kind of scared because it's a four mark question and the topic in class is identities... so there is no need to use the double angle identity?
    yep easy 4 marks mate
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    (Original post by angrypoliceman)
    yep easy 4 marks mate
    Thank you so much!! I've been panicking for like so many hours!
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    (Original post by Jenblankz)
    Thank you so much!! I've been panicking for like so many hours!
    feel free to roast me if its wrong
 
 
 
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