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trig! please help!

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2sin(4t)[(cos(3/2)x)(cos(5x/2)-sin((15/4)x)]+x

  • trig! please help! -

    What is the question? Is there an equal sign in the above? Are there two variables, t and x?

  • trig! please help! -

    to bobpursely: i need to simplify the expression using trig identities. and no i meant for there to only be x

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