Question

sin 20° tan A sec 70°=root 3

Answer 1

sin20° tanA sec 70°=√3
or sin 20° tanA 1/cos 70°=√3
or sin 20° tanA /sin(90°-70°)=√3
or sin 20° tanA /sin 20°=tan60°
or tanA=tan 60°
.•. A=60° answer

Answer 2

Hi ,

Sin20 tanAsec70° = √3

Sin( 90 - 70 ) sec70° tanA = √3

(Cosec70° sec 70° ) tanA = √3

TanA = √3

TanA = tan 60°

Therefore ,

A = 60°

I hope this helps you.

:)