Question

2 tan^2 45° + cos^ 2 30° - sin^2 60 °​

Answer 1

Answer:

2

Step-by-step explanation:

can cancel sin and cos terms as they are complementary and tan 45 =1.

Answer 2

Answer:

= 2 ( 1 ) ^ + ( √ 3 / 2 ) ^ - ( √ 3 / 2 ) ^.

= 2 + 3/ 4 - 3 / 4 .

= 2 .