Question

The value of sin^2 60° is.



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Answer 1

Answer:

3/4

Step-by-step explanation:

sin60=√3/2

sin^2 60=√3/2*√3/2

=3/4

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Answer 2

Answer:

sin260° is the same as (sin60°)2 (square of sin60° ).

There are some common angles like 0°, 30°, 45°, 60° and 90°. We know sine values of these angles ( 0,1/2,√2/2,√3/2,1 in same order).

sin60° equals √3/2

If we take square of this number, we get 3/4 (Square of square root of 3 is just 3 and square of 2 is 4)

So the answer is 3/4 or we can write as 0.75

I have written sin^2 60° as sin260°

Hope its helpful

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