Find wo, 8+8/3i V 2/3+2i O 4Z15° O 2230° O 4230° O 2/15°

Q: Find the exact value of the expression. 57t COS 12 o VZWB - 1) VZW3-1) 4 O 2W3-1) 4

A:

Q: Q5: Show that cosa = 1 – 2sin?" = 2cos?"- 1

A:

Q: solve for the angle u, where 0 … u … 2π cos 2θ + cosθ = 0

A:

Q: OR = {(r, 0): 0 <r< 6 cos(30), 0 < 0 < n}

A: Follow the procedure given below.

Q: Find the direction cosines and angles of u = −4i + 3j + 5k and show that     cos2      + cos2…

A: Then we find the angles

Q: Find the direction cosines and angles of u = 7i + j − k and show that                 cos2    + cos2…

A: Direction ratio of u = 7i + j − k is (7,1,-1) So the direction cosine is:

Q: solve these equatyions on the interval 0&lt; or = to 2pi a)       2cos(theta) + 3=2 b)…

A: a) First, solve for cos(theta) then use cos inverse.

Q: Evaluating √√9-x² dx using trigonometric substitution will lead to: 57/2 A 18 "/2 cos²0d0 35*1/2 B…

A: ANS: B

Q: Determine whether the positive or negative square root should be selected. 1+ cos 220" cos 110.0° =+…

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Q: Use the fact that 2(V6 + V2) cos- to find sin and cos 24 24

A: Given that the fact cos π12 = 146+2 To find the cos π24  and   sin π24

Q: Gren that Sin ( 5x-38°)= (Cos (2x +I6") OSnS 90° find the value of

A: Given

Q: (c) %3D 2. sin (0-) us (q) %3D sin sin 20 = (a) 6. find the exact value of each expression below.

A:

Q: Solve triangle ABC if LA = 41.4, a = 186.2, and b 244.4. %3D %3D sin B = %3D

A: answer is in next step

Q: Find the value of the sum. cos(285°) cos(165°)

A: The given trigonometric expression is

Q: to Find cos A. 87 23 C 83.905 O A 0.264 O B 3.648 0.964 1.037

A: Find cos A

Q: Find the exact values: a.   sin(2pi/3)+sin(5pi/4)   b.  sin (23pi/12)    (use 23pi/12 = 2pi/3 +…

A:

Q: Use the given conditions to find the exact values of sin(2u), cos(2u), and tan(2u) using the…

A: Calculate sin u using the identity sin2θ+cos2θ=1. sin2u=1--12132sin2u=132-122132sin2u=52132sin u=513…

Q: 6. Evaluate. 2 cot (270°) + 7 cos (180°) + 3 sec (360°) A. 4 B. 10 C. D.

A: Given: Cot(270°)+7cos(180°)+3sec2(360°) First we will calculate Cot(270°) Since TI-30XIIs calculator…

Q: Simplify: sin 0 cos 30 + cos 0 sin 30 A. cos 40 B. sin 40 C. cos 20 D. sin 20 O A OB OC O D

A: Using Trigonometry identities,

Q: If sinx =and cosx > 0, find cot(2x). O 4V6 23 O 23 V6 24 O 15 O 23 V6 24 O 4V6 23

A: Given:     sinx=15 we know that              sin2x+cos2x=1             152+cos2x=1…

Q: w=64(cos 180 degrees + i sin 180 degrees)

A: Solved below

Q: PROVE THE GIVEN (V5 - 1) sin? sin? 3 8 II

A:

Q: Q 3. If 0° < 0 < 90° and cos 0 = , find cos . 42 6 42

A: cos(x) is positive in [0, 90°]

Q: 8) cos C 50 14 48

A: According to basic of trigonometry;   Cos(c) = BC/AC             = 48/50 = 24/25

Q: solve for the angle u, where 0 … u … 2π sin 2θ - cos θ = 0

A: To calculate the angle u

Q: 8. In the accompanying diagram, mLC = 90, mLA = 42, and CA = 10. Which equation can be used to find…

A: Given: m∠C=90∘, m∠A=42∘, CA=10 We know that in a right angle triangle cosθ=basehypotenuse…

Q: At which angle is cos Ⓒ =-1? 0 O 2 OTT

A: Given query is to find measure of the angle.

Q: 8. In the accompanying diagram, m2C = 90, mLA = 42, and CA = 10. Which equation can be used to find…

A: Since you have asked multiple questions, hence we will solve the first question for you. If you want…

Q: Use an addition or subtraction formula to find the exact value of VA(VB + 1) 19 sin 12 4 A В -

A: We are given that., Sin (19π/12) = - [√A(√B+1)]/4 We have to find the value of A and B A = ? B = ?

Q: 4 In APQR, find the 6 trigonometry functions of <Q P 7 R 24 sin Q = csc Q = cos Q = sec Q = tan Q =…

A: →sinθ = PerpendicularHypotenuse→cosθ = BaseHypotenuse→tanθ = PerpendicularBase→cscθ =…

Q: What is the solution of the equation cos20 + cose = 0 for the angle 0, where 0ses 2n? O A)…

A:

Q: The expression 5cos 6B – 5sin 6B is equal to A. cos 36B C. cos 12B B. 5cos 12B D. 5cos 3B

A:

Q: 2- cos? 0 = 4sin 0 – 3sin² 0 %3D

A:

Q: 6. Find cos(u + u) and simplify as much as possible.

A: Find cosu+u and simplify as much as possible.

Q: c. If cos 0 + 4 =2, find 0.

A:

Q: 30. In right triangle ABC with C = 90°, AB = 10 and BC = 8. What is cos A? 4 3 4 3 а. b.- 5 d. - 4…

A: Option B is the correct answer. Pythagorean theorem must be applied to find out unknown side length…

Q: Evaluating √9-x² dx using trigonometric substitution will lead to: [/2cos²0do (A) 18 9[*/ cos²0d0 B…

A:

Q: 6. Show 1 – 8sin?0 · cos²0 = cos(40) 10 pts

A: To show that LHS=RHS

Q: Find the direction cosines and angles of u = 5i + 3j − k and show that               cos2    + cos2…

A: u=5i+3j-k u=52+32+-12=35 Now direction cosines are, cosα=535cosβ=335cosγ=-135 Direction angles are,…

Q: Use compound-angle formulae to solve, for 0 < 0 < 2r: a sin (0 + ) = 2 sin (0 – ) c cos 40 cos 0 +…

A:

Q: TT 13. (а) сos 3 (c) sin (b) sec 3

A: Question 13,Part a,Given,           cos-π3

Q: Solve the equation on the interval 0 se < 2n. NO CALCULATOR Given cos t =.866 and t= 30 degrees 2…

A: We have to solve 2cos2θ=3 , where 0≤θ≤2π Given cost=0.866 and t=30° Solution:…

Q: Find the fifth roots: 2(cos () + i sin (#))

A: To find the fifth roots: 2cosπ4+i sinπ4

Q: Which equation should JK sin 24°: 28 %3D JK cos 24° 28 28

A: We know ,in a right angled triangle, the trigonometric ratio of sine function is given by:…

Q: Find all solutions in radians using exact values only. cos? 8x = 1 Ik x = 4 or 7 4 2 TIk + 7 2 Tk =…

A:

Q: Solve 5 cos(2w) 5 sin? (w) + 4 for all solutions 0 < w < 2T

A:

Q: solve for the angle u, where 0 … u … 2π sin2 θ = cos2θ

A: To solve the equation: sin2θ=cos2θ where 0≤θ≤2π. Solution: Solving the given equation.…

Q: S V5 + 2sin0 cos 0 de

A:

Q: 8 C 17 15 A Find sin(8) in the triangle.

A: We have to find sin beta of the given triangle.

Q: to Find cos B. A 62 36 50.478 O A 1.228 0.814 1.402 0.581

A: Given , In ∆ABC,  Base, b=BC= 50.478 Perpendicular, p=AC=36 Hypotenuse, h=AB=62