Question

2 tan square 45 + 3 cos square 30 - sin square 60​

Answer 1

Answer:

7

Step-by-step explanation:

=2×1+3×(root 3/2)2-(root 3/2)2

=2+3×3/4-3/4

=2+9/4-3/4

=8+9-3/4

=8+6/4

=14/4

=7

Answer 2

Answer:

2 tan² 45 +3 tan² 30 - sin² 60

2×1 + 3× 1/root 2 - root 3/2

2+ 3/ root 2 - root3 / 2

solve....... now