Question

If y sin 45° cos 45° =tan45° tan45° – cos30°cos 30°, then y = …​

Answer 1

y*1/√2*1/√2 = 1 * 1 - √3/2 * √3/2

y/2 = 1 - 3/4

y/2 = 1/4

y = 1/4 * 2

y = 1/2

hope this is helpful