1.

tan75° का मान बताएँ ?

Answer»

Tan(75°) = tan(45° + 30°) = [tan(45°) + tan(30°)]/[1 - tan(45°)tan(30°)]

= [1 + 1/√(3)]/(1 - 1/√(3)]. tan(75°) = (√(3) + 1)/(√(3) - 1).



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