Asked by ama
Write each expression as sine, cosine, or tangent of an angle. Then find the exact value of the expression
tan 50-tan20/1+ tan 50 tan20
tan 50-tan20/1+ tan 50 tan20
Answers
Answered by
Steve
since tan(A-B) = (tanA-tanB)/(1-tanAtanB) I'd say you're looking at tan30 = 1/√3
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