Hi, I need help with solving this problem: (sinx+2cosx)/(sinx-cosx)=2. Find the exact value of tan2x. Any help would be appreciated
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Originally Posted by quanta Hi, I need help with solving this problem: (sinx+2cosx)/(sinx-cosx)=2. Find the exact value of tan2x. Any help would be appreciated multiply both sides by (sinx-cosx) do the algebra and see what it tells you about the relation between cosx and sinx. then take tan2x and split it into sin2x/cos2x and expand that out using trig identities. Then plug in what you found from your equation above.
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