Question

cos^2 0° - sin^2 30°​

Answer 1

Answer:

3/4

Step-by-step explanation:

cos 0° = 1

sin 30° = 1/2

cos^2 0° - sin^2 30°​

= 1^2 - (1/2)^2

= 1 - 1/4

= 4/4 - 1/4

= 3/4

Answer 2

Cos²0° - Sin²30°

(1)² - (1/2)²

1 - 1/4

4 - 1/4

3/4

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