1-sin60/cos60= 1-tan30/1+tan30 please help to proove it
ROCHAK , 7 Years ago
Grade 9
Trigonometry> 1-sin60/cos60= 1-tan30/1+tan30 please hel...
1 Answers
surya singh
Last Activity: 7 Years ago
Start from RHS:Write tan60 as sin60/cos60 and take LCM cos60-sin 60/cos60+sin60Now rationalise it...u will getWhole square of(Cos60-sin60) in numerator Now write denominator as cos60 n numerator as1-sin60(on opening the whole square)
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