Question

√3 sin 60 - cos squared 60 - 2 cos squared 45

Answer 1

Answer:

1/4

Step-by-step explanation:

⇒√3 sin 60 - cos squared 60 - 2 cos squared 45

⇒√3×√3/2-(1/2)²-2(1/√2)²

⇒3/2-1/4-2×1/2

⇒3/2-1/4-1

⇒6-1-4/4

⇒6-5/4

⇒1/4