Solve 8 cos ( 2 β ) = 8 sin 2 ( β ) + 3...

Solve 8 cos ( 2 β ) = 8 sin 2 ( β ) + 3 for all solutions 0 ≤ β < 2 π

β=

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milcah answered 2 years ago

If 3/(2+ cos θ+i sin θ) = a+ib, then [(a-2)2+b2] is

f (x) = -0.248226cos (2 x) - 0.0184829cos ((2+2)x) - 0.0594608cos(x)sin(x) + 0.123626*sin ((2+2)x). The intervall...

f (x) = -0.248226*cos (2 x) - 0.0184829*cos ((2+2)x) - 0.0594608*cos(x)*sin(x) + 0.123626*sin ((2+2)x). The intervall is ]0, 3/2[ What is the local maximum and local minimum? Answer with 5 decimals

verify the identities a.) (cos 8x + cos 4x) / (sin 8x - sin 4x) =...

verify the identities a.) (cos 8x + cos 4x) / (sin 8x - sin 4x) = Cot(2x) b.) tan^2(x/2) = 1 - 2cot(x)csc(x) + 2Cot^2x

The point ?(√6 cos ? , √3 sin ?) is on an ellipse. a) Write down...

The point ?(√6 cos ? , √3 sin ?) is on an ellipse. a) Write down the equation of this ellipse in Cartesian form and find its foci. b) A hyperbola has the same foci as this ellipse and one of the branches cuts the ?-axis at 1. What is the equation of the hyperbola?

Solve cos^2(x)-cos(x)=0 for x,

proof Sin(A)-Sin(B), cos(A)+cos(B) Geometrically, A and B are acute angles

Prove that 1+ cos theta + cos 2theta + .... cos ntheta = 1/2 + (sin(n+1/2)theta)/2sin(theta/2)

1) Find the critical numbers of the function. f(θ) = 16 cos θ + 8 sin^2 θ

1) Find the critical numbers of the function. f(θ) = 16 cos θ + 8 sin^2 θ θ=? 2) Find the absolute maximum and absolute minimum values of f on the given interval. f(x) = x/(x^2 − x + 9), [0, 9] 3) f(x) = 3x3 + 4x2 + 7x + 5, a = 5 (f −1)'(a) = ?

consider the IVP ( cos(x)sin(x) - xy^2)dx + (1-x^2)ydy = 0 , y(0) = 34 solve...

consider the IVP ( cos(x)sin(x) - xy^2)dx + (1-x^2)ydy = 0 , y(0) = 34 solve the IVP answer))) 1156 = ???

Simplify. Do not give trig values. 1) 2 sin40 cos 40 2) 10 sin 18 cos...

Simplify. Do not give trig values. 1) 2 sin40 cos 40 2) 10 sin 18 cos 18 3) (tan 22)^2 4) 2 (cos 37)^2 - 1 5) (cos 29)^2 - 1 6) (sin 33)^2 + (cos 33)^2 7) (sin 38)^2 - (cos 38)^2 8) cos 67 cos 31 + sin 67 sin 31 9) cos 81 cos 53 - sin 81 sin 53 10) cos 46 / sin 46 11) sin 50 / cos 40 12) sin 44 cot 44...

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