Question

4 cot square 45 degree minus cos square 60 degree + sin square 60 degree + cos square 90 degree​

Answer 1

Answer:

18/4

Step-by-step explanation:

hint:we have to know the values T ratios

Answer 2

Answer:

1. 18/4 or 4.5

Step-by-step explanation:

4(1)^2 - (1/2)^2 + (/sqrt(3)/2)^2+(0)^2

=4×1-1/4+3/4+0

=4-1+3/4+0

=16-1+3/4

=15+3/4

=18/4 or 4.5