If x = 30°, verify that tan 2x = 2tanx/1-tan^2x .

Question

KnowledgeBoat · Accepted Answer

To verify, tan 2x = . Substituting value of x in L.H.S. of the above equation, ⇒ tan 2x = tan 2(30°) = tan 60° = . Substituting value of x in R.H.S. of the equation. Since, L.H.S. = R.H.S. Hence, proved that tan 2x = .

Mathematics

If x = 30°, verify that tan 2x = 2tanx/1-tan^2x .

Trigonometrical Ratios

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