Asked by Rajesh kumar
Prove that tan(theta)tan(60+theta)=tan3theta
Answers
Answered by
Reiny
The identity is not true,
All I need is one counterexample.
let x=10°
LS = tan10° tan 70° = .48445
RS = tan 30 = .577
LS ≠ RS
we don't have an identity
All I need is one counterexample.
let x=10°
LS = tan10° tan 70° = .48445
RS = tan 30 = .577
LS ≠ RS
we don't have an identity
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