Question

sin2 30 cos2 45 +4 tan2 30 +1/2 sin2 90+1/8 cot2 90

Answer 1

Hope this will help u

Answer 2

1/2*1/2*1/2+4*1/3+1/2*1+1/8*0. therefore 1/8+4/3+1/2+0=1/8+4/8+4/3=5/8+4/3=47/32