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Prove : tan A * tan(60+A) * tan(60 -A) = tan3A
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tanA tan(60°+A) tan(60°-A) = tan3A
tanA.tan(60-a).tan(60+a)=tan3a
class 11th or class 12th trigonometry question and answer solved.
tanA tan(60°+A) tan(60°-A) = tan3A
tanA.tan(60-a).tan(60+a)=tan3a
class 11th or class 12th trigonometry question and answer solved.