true or false? sin(πx)cos(2πx)= 1/2(sin(πx)+cos(3πx)) not sure how to approach this/which identities to use
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Originally Posted by buttonbear true or false? sin(πx)cos(2πx)= 1/2(sin(πx)+cos(3πx)) not sure how to approach this/which identities to use false try x=0 then RHS is 0 but LHS is $\displaystyle \frac{1}{2}$ [LHS means left hand side]
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