Question

Evaluate cos^2 o+cos 2π/6+ cos^2 π/3 + cos^2 π/2​

Answer 1

Step-by-step explanation:

Cos²0 + Cosπ/3 + Cos²π/3 + Cos²π/2

(1)² + (1/2) + (1/2)² + (0)²

1 + 1/2 + 1/4

7/4

Answer 2

Answer:

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