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Earn +20 ptsQ: 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)
By using trigonometry identities find the value of a sin A if TAN A equals half?
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
Find the second derivative of y equals sin sqaured x?
y = sin2(x) y' = 2sin(x)cos(x) y'' = 2 [ cos(x)cos(x) + sin(x)(-sin(x)) ] = 2 [ cos2(x) - sin2(x) ] = 2 [ 1 - sin2(x) - sin2(x) ] = 2 [ 1 - 2sin2(x) ]
How do you write the formula c squared equals g lambda over 2 pi?
c2 = g lambda / 2 pi
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