Question

Evaluate: tan2 60˚ - 2 cos60˚ - ¾ sin2 45˚ - 4 sin2 30˚​

Answer 1

Answer:

5/8

Step-by-step explanation: tan 60 = √3        cos 60 = 1/2          sin 45=1/√2            sin 30 = 1/2

tan²60 - 2 cos 60 -3/4 sin²45 - 4 sin²30

(3)-2(1/2)-3/4(1/2)-4(1/4)

5/8