3. Which of the following pairs of angles is complementary? 45° 135° 105° 75 75° 128° 52°

Q: If v = (2, −3, −5), then the direction angle y is?

A: V=(2,-3,-5)

Q: Suppose a=(6,8), b= 28, and the angle between a and bis 60. Find a×b

A: Here is the step-by-step explanation:​​Given:Vector, a=⟨6,8⟩Magnitude of vector b is ∣b∣=28Angle…

Q: The answer was not correct. It was answered for the wrong angles

A: Given: In the given below figure, it is given that ∠1≅∠2 and ∠3 ≅∠4 To prove: ΔQET≅ΔQEU

Q: Use the diagram to determine the following angle relationships: Z 1 and 2 4 Z 1 and 25 Z3 and Z6 Z6…

A:

Q: Do supplementary angles necessarily form a linear pair? Explain

A: GivenSupplementary anglesTo check Supplementary angles  form a linear pair.

Q: Find a · b, Ja| = 8, |b| = 3, the angle between a and b is 2t/3

A:

Q: B. Sketch each of the following angles in standard position. (You may use protractor for a better…

A:

Q: AACB = ABEF E A LA *Hint: You cannot name the angle as B because there are three different angles at…

A: According to the question, we have to complete the statement ∠A≅∠........  as it is given △ACB≅△BEF.…

Q: Why a counterclockwise angle is positive and a clockwise angle is negative.

A: Why a counterclockwise angle is positive and a clockwise angle is negative.

Q: Consider the three points: А — (5, 5) A B= (10, 2) C = (7,7). Determine the angle between AB and AC.…

A: Find angle

Q: Find a · b if Jal = 12, |b| = 4, and the angle between a and b is a/3. %3D Answer:

A:

Q: What is the angle between 2a + 3y + z = 5 and x – ay + az = 7?

A:

Q: Find the angle between u= (-4,-1) and v (1,-4) to the nearest tenth of a degree. %3D The angle…

A:

Q: what is the formula for the angle A

A: The angle A in the given diagram can be calculated using the dot product formula between two…

Q: Which of the following angles are co-terminal to -TT/2?

A: Given Data: Angle: θ=-π/2 Add 2π in the given angle, θ1=θ+2π=-π/2+2π=-π+4π2=3π2

Q: Why is it always possible to find the third angle of any triangle when youare given the first two?

A:

Q: If ā · b = 2 and ā x b= (-2,4, 6), find the angle between ā and b.

A:

Q: (c) proj.b (d) The angle between a and b

A:

Q: Find a · b if lal = 10, |b| = 5, and the angle between a and b is n/4. %3D

A: Given that: a=10 b=5 Angle between a and b = π/4 To calculate the dot product of a and b.

Q: Which of the following is a pair of coterminal angles? O 117 397 7 7 O 117 77 7 11 O 117 11T Ο 11π…

A: we have to find the pair of co terminal angles.