27. If sin 0: (a) I W|F 1 , then the reference angle for is: 2 (b) - 7 (c) R|M (d) // (e) none of these

Q: Suppose v. w = 6 and ||7× w|| = 4, and the angle between ỹ and w is 0. Find (a) tan 0 = (b) Ө —

A: v · w= |v| × |w| × cos(θ) =6 v × w = |v| |w| sin(θ) =4

Q: [3i If A = i i then JA| =?

A: The given matrix is A=3iii-i.

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: ZRQT is a straight angle. What are mZRQS and mZTQS? m/RQS = G R (12x+2)/(7x+7)° Q T

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Q: Consider the following two lines in R: {(t, 1 + 2t, 2 – 2t)} and {(1+4s, 3 – s, s)}. a) The two…

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Q: If 0 is a first quadrant angle where P(u, v) = (-1, -2), tan 0: 5 + V5 - V5 5 - 5 - V5 5 + V5 5 - V5…

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Q: Suppose = 4 and || × || = 3, and the angle between and wis 0. Find (a) tan 0 (b) 0 = =

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Q: 7. (5x – 8)*/ (7x – 4)°

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Q: = Prove, for any angle x, Cos (sin¯' (x)) = /1 – x². %3|

A: Let sin-1x=θ Then, x=sinθ As sinθ=Perpenicular Hypotenuse=x1

Q: . At what point on the line y = b does the line segment from (0,O) to (a.0) subtend the greatest…

A: Concept: The function f(x) at the point x=a, is a line that just touches the graph of the function…

Q: Q: If each of a, ß and y is a positive acute angle such that sin (a +B-7)=.c B-r)=.cos (B+y-a)= and…

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Q: the distance from (2,x) to (4,3) is 2, what is x?

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Q: If 0 is the angle between (a) 1/2 (b)-1/2 and 2 then cos equals (c) 0 (d) 1

A: Given: is the angle between  and .To find: .

Q: 2. AXYZ - ARYS Y R Angles Sides

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Q: 1. Which statement correctly represents the distance between points E and F? (0,0,5) A 0.0.0 ++++ B…

A: NOTE: Refresh your page if you can't see any equations. . the  coordinate of E and F are

Q: 9. The exact radian measure of 75° is: a) n 12 15 b) 25 TU 24 c) — 12 a)y=√x² - 4 d) b) y = x - 4 13…

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Q: Suppose v = (2, 5, 4), |w| = 3 and the angle between v and w is 30◦ (a) Find v · w (b) Find compvw…

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Q: Suppose - w = 5 and ||i x u|| = 2, and the angle between i and w is 0. Find %3| (a) tan 0 (b) e

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Q: If sin t = - and t is in the 3rd quadrant, then tant: 21 2 29 5 2 21 V21 5 V21

A: Sin t = -2/5  t is in 3rd quadrant.

Q: Show ;) d Sec x = Secx tanx D d csCX = -CSCX Cott

A: we can show it by first principal