Question

4/cot^2 30+1/sin^2 30 - 2 cos^2 45-sin0. plz give rt ans...plz my request​

Answer 1

Answer:

4/cot^2(30)+1/sin^2(30)-2cos^2(45)-Sin(0)

=4/(√3)^2+1/(1/2)^2-2(1/√2)^2-0

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

=4/3+4-1/2

=(8+24-3)/6

=13/6