Question

given that theta-30°,verify tan theta=√1-cos square theta divided by cos theta​

Answer 1

to prove

tan 30=√1-cos square 30/cos 30

on putting values we get

1/√3=(√1-3/4) ÷√3/2

1/√3=(√4-3/4)÷√3/2

1/√3=(√1/4)÷√3/2

1/√3=(1/2)÷√3/2

1/√3=(1/2)×2/√3

1/√3=1/√3

LHS=RHS

hence proved.