Question

tan^2 30°+sin^2 60° - cot^2 45°​

Answer 1

Answer:

5/6

Step-by-step explanation:

tan 30 = 1/root3

sin 60=root3/2

cot 45 =1

therefore, 1/(root3)^2+(root3/2)^2-1

1/3+3/2-1

by taking LCM we get ,

2+9/6-1

11/6-1

by taking LCM we get ,

11-6/6

therefore ,

5/6