shoow that root over3(tan 170+tan 140)=1+tan170tan140
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tan30=tan(170 -140)
tan30=(tan170-tan140)/(1+tan170.tan140)
1/√3 =(tan170-tan140)/(1+tan170.tan140)
√3(tan170-tan140)=(1+tan170.tan140)
LHS =RHS
hence proved
tan30=(tan170-tan140)/(1+tan170.tan140)
1/√3 =(tan170-tan140)/(1+tan170.tan140)
√3(tan170-tan140)=(1+tan170.tan140)
LHS =RHS
hence proved
harivermasharma:
Thank you
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