Question

2 tan^2 45° +
cos²30° -
sin²60°​

Answer 1

Answer:

Hope!!! it helps you....

Answer 2

Answer:

2tan²45°= 2×1=2

cos²30°= (√3/2)²= 3/4

sin²60°= (√3/2)²=3/4

therefore

2tan²45°+cos²30°-sin²60°

= 2+ 3/4 - 3/4 = 2

hope it helps