Question

Evaluate the expression

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Answer 1

Answer:

2

Step-by-step explanation:

Answer 2

Answer:

cos 30° = √3/2 , so cos² 30 = 3/4

sin 30° = 1/2. , so sin² 30 = 1/4

so finally .

3( 3/4) - 1/4

9/4- 1/4

8/4

2

so answer is 2.

thankyou, hope you understood.