Question

if cos X = 1/2 and tan y = 1/ root3 find the value of sin 4 ( x-y )​

Answer 1

Answer:

Answer is √3/2

Step-by-step explanation:

cos X = 1/2

x= cos-¹ (1/2)

x=60°

tan y = 1/√3

y= tan-¹ (1/√3)

y=30°

sin 4 ( x-y ) = sin 4(60°-30°)

=sin 4(30°)

=sin(120°)

=√3/2