Find the cosine of the angle of separation between a = (1, 1, 2) and b = (-2, 1, 5). cos (a) =??? [Be sure to simplify as much as possible!]

Q: Evaluate the following expressions. Your answer must be an angle in radians and in the interval 2' 2…

A: W have to find angle

Q: Quadrilateral ABCD is inscribed in a circle, and the lengths of its sides are AB = 5, BC = 9, CD =…

A: GivenThe length of the sides of the quadrilateral  are and  and the given diagram is Use the law of…

Q: Suppose v w = 5 and ||0 x w 3, and the angle between õ and w is 0. Find (a) tan 0 %3D (b) 0 = (in…

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Q: If x=(-5, 2, 1) and vw=2, find tan(e), where is the angle between v and w. tan(0) =

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Q: sin x sec x tan x

A: As value of cosθ and sinθ revolves around +1 to -1 , they take different values depending on the…

Q: 9. Write in the following in terms of its co-related angle: (a) sin 75° = (b) cos (3)-

A: We have to Determine the given expression in terms of its co-related angle.

Q: 2) Use a double-angle formula to simplify: sin (10z) cos (5r)

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Q: Find cos(θ), sin(θ), and tan(θ) for the two angles θ =13π/4, −7π/3

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Q: Let be the angle between u and v. Find cos(0). cos(0) = u = [6, 5, -1], v = [1,-1, 1] Determine…

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Q: 7. Given that tan (A) = and angle A is in 3rd quadrant and cos(B) = – - and %3D 13 angle B is in 2th…

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Q: Create an equivalent expression for cos(x – ), using an appropriate compound angle formula

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