Question

if tan2 45 - cos2 30 = xsin30 cos 60

Answer 1

Heyy!

The equation becomes:

1-(3/4)=x(1/2)(1/2)

1/4=x/4

x=1

Answer 2

Step-by-step explanation:

tan2 45° - cos2 30° = x sin30° cos60°

2tan45°/1-tan^2 45° - (2cos^2 30°-1)=x**1/2*1/2

x=-2