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    My mind has drawn a blank with this bit of an equation what do i square 4sin^2(x)? all of it or just the x value? sorry if its a daft question?
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    (Original post by mathslover786)
    My mind has drawn a blank with this bit of an equation what do i square 4sin^2(x)? all of it or just the x value? sorry if its a daft question?

    It's sort of a confusing notation, but you just square the sin(x) part.

    4sin^2(x) = 4 [sin(x)]^2


    For some other examples,

    You'd square the x part if it was 4sin(x^2)

    or

    You'd square the entire thing if it was [4sin(x)]^2
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    (Original post by pokerplayer1191)
    It's sort of a confusing notation, but you just square the sin(x) part.

    4sin^2(x) = 4 [sin(x)]^2


    For some other examples,

    You'd square the x part if it was 4sin(x^2)

    or

    You'd square the entire thing if it was [4sin(x)]^2
    aha thank you for that!
 
 
 
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