1 - sin 60 ÷ Cos 60 = 1- Tan 30 / 1 + tan 30
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Step-by-step explanation:
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Step-by-step explanation:
LHS ; 1-sin60°/cos60°
=(1-√3/2)/(1/2)
=(2-√3)/2×2/1
=2-√3
1- tan30°/1+tan30°
=1-1/√3 /1+1√3( tanking LCM)
=(√3-1)/(√3+1)
=(√3-1)(√3-1)/(√3+1)(√3-1)
=(3-2√3+1)/(3-1)
=(4-2√3)/2
=2(2-√3)/2
=2-√3
∴, LHS=RHS(Proved)
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