Question

Y component of a vector is √3 times of its x component. The angle which vector makes with x axis is
a 45
b 60
C 30
d 75

Answer 1

Answer is b)60°
Becoz
Asinx=3^(1÷2) A cosx
I.e. sinx=3^(1÷2)cosx
I.e. tanx=3^(1÷2)
I.e. x=60°