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it equals 1

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Q: If f x equals sin2 x then f pi over 2 equals?
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Can you solve sin 2 theta equals 0?

If sin2(theta) = 0, then theta is N pi, N being any integer


How do you calculate sin2?

An=(4v/pi^2*n^2) sin^2(npi/2)


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If sin (theta) is 3/5, then sin2 (theta) is (3/5)2, or 9/25.


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tan(A) = 1/2 sin(A)/cos(A) = 1/2 sin2(A)/cos2(A) = 1/4 sin2(A)/[1 - sin2(A)] = 1/4 sin2(A) = 1/4*[1 - sin2(A)] 5/4*sin2(A) = 1/4 sin2(A) = 1/5 sin(A) = ±sqrt(1/5) = ±sqrt(5)/5


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What expression is equivalent to tangent squared a over 2?

there could be many... sin2(a/2) / cos2(a/2)


What is 2 pi over 2?

2 pi / 2 = pi.