15 17 Vhat is the cos X of the triangle above? Vhat is the cos Y of the triangle above?

Q: 1) If Cos A= 4/5 Then Find the value of Sin 2A O 24/25 O ((24)/25 7/25 O (-7)/25

A: In the question we have to find the value of sin2A.

Q: 口 1. Which is equal to cos ? 3 COS cos O cos 27 COS 3 O sin O sin

A: Solve the following

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

A: Since, the student has mentioned to solve part (d) and part (e), so we are solving accordingly part…

Q: В 16 12 20 Find the Sine, Cosine and Tangent of Angle A. Give your answer as a fraction is simplest…

A: The figure of the triangle is given by To evaluate : The values of sinA, cosA and tanA

Q: 7. Which of the following is equal to cos 108°? A. sin 198° B. cos 198° C. sin 72° D. cos 72°

A:

Q: 5. If csc @ 2, and cot 8 =- V3, Find: a. cos 8 b. tan 8 C. sec 0

A: Given:   Formula used:

Q: 6. Use the triangle to find sin(23), cos(23), sin(), cos() 25 24

A:

Q: 15 25 Find cos C in simplest form. 20 B.

A: A triangle is a polygon with three sides. A right triangle is a triangle with one of its angles…

Q: 2 aplace Cos Cos 81

A:

Q: 12. In a right triangle ABC, angles A and B are acute. If cos A = ½ and sin B = 2 then cos (A - B)…

A: For the given right angle triangle, Cos(A-B) is determined as shown below

Q: B O tan-1 cos 13 13 O cos 12

A: In this question we will use basic of geometry i.e use of trigonometric ratios. We will simply apply…

Q: -1 Determine sin=(cos a) Provide your answer be

A: cosa can be written as sin(pi/2-a) sin and sin inverse get canceled see attached image

Q: 7.6.11 3n If tan 0= 6. find the exact value of each of the following. 2 (a) sin (20) (b) cos (20)…

A:

Q: 3 8. If sin e = - - and the terminal side of e lies in quadrant III, find cos e. 5 3 3

A: Topic  = Trigonometric ratios

Q: 3) If Sin A= 12/13 Then without using calculator Find the value of Cos 2A O 25/169 O (-119)/169…

A:

Q: 12. Use a calculator to find values of y in degrees. a. cos (.5) b. sec (-2.46) c. tan (-45.543) COS…

A: Given, Part (a):

Q: (7 13 17 The terminal side of an angle a in standard position intersects the unit circle at…

A:

Q: 6. Find the exact value of cos 5 Tt 12. 7. Find the value of: (tan 10°) (tan 15°) (tan 20°) ... (tan…

A: 6- Given- cos5π12 To find- The exact value of the above expression. Explanation- Rewrite the given…

Q: 1 + cos 20 57. Show that cos?e = 2

A: Show that the given identity, cos2θ=1+cos2θ2. Addition property:  cosA+B=cosAcosB-sinAsinB

Q: 45 27 Y 36 z What is the cos X of the triangle above? What is the cos Y of the triangle above?

A: From trianglecosX = adjacenthypotenuse         = XZXY          = 2745           =35 ⇒ cosX =35

Q: 15 17 Express the sine, cosine, or tangent of indicated angle as a fraction and as a decimal rounded…

A: According to the problem, we have

Q: /19 Let 0 be a quadrant I angle with sin(0) : 5 Find eo) Find cos 2

A: Given : sinθ=195 We know that the sine trigonometric ratio is given as sinθ=perpendicularhypotenuse…

Q: 3 13. Find cot 0, given that cos0=-and 0 is in QII. 5 3 a.- 4 b.- 4 3 C. 4 d.

A:

Q: (9) Use the half-angle identity to find cos 3π and < x < 2 JOTE: Enter the exact, fully simplified…

A: Given problem:- tan(x) =4/3  Find cos(x/2) and π&lt;x&lt;3π/2

Q: Suppose that cos x=a, where x is in quadrant 2. Then evaluate cos((x/2) + (pi/4)) in terms of a.

A:

Q: If sin A = 1/5 find cos 2A

A:

Q: 6. cos(A+ B) cos(A – B) = cos² A – sin? B COS - -

A:

Q: 2. What is the exact value of cos (22.5°) using the half-angle identities? O √2+√2 √2-√2 O √2-√2 O…

A:

Q: 15. Use AABC to complete the following statements. b. cos () = m2_ a. sinA = cos c. Solve the…

A: A+B+C=180 And since C=90 so A+B=90 sin theta=opposite/hypotenuse cos theta=adjacent/hypotenuse

Q: 97. If sec a = 10/3, then what is cos a? %3D

A:

Q: 7. 4. and e is in IV quadrant. Cos e %3D Find the values of sin e and tan O

A: Given: cosθ=45, θ is in fourth quadrant We know that if cosθ=ab, θ is in fourth quadrant then sinθ…

Q: 11. Complete the sentence below. sin 20+ + cos 0 = %3D

A:

Q: 20. Suppose 0 is an angle such that cos 0 = . Evaluate cos(20).

A:

Q: 8) Which of these pairs are equal? A) sin 49° and sin 51° C) cos 28° and sin 72°

A: Some of the properties of the trigonometric sinπ-θ=sinθ cos(2π+θ)=cosθ cos(2π-θ)=cosθ cosπ2-θ=sinθ…

Q: # 3-4 Calculate the value of y to the nearest tenth: 10 3. cos 51° = y 4. sin 60° = 17 %3D

A: Given 1)cos510=10y and 2)sin600=y17.We need to find the value of y to the nearest tenth.

Q: What is cos(A)? 13 12 cos(A) = [ ? COS

A:

Q: -cos(7A) Which is the simplified form of the expression ± sin O cos (4) COS tan O cot(4) O no…

A:

Q: 2. If we verify the identity 1-cos² 0 = cos? Otan? 0 numerically by substituting the value 0 = the…

A: Given identity: 1-cos2θ=cos2θtan2θ

Q: 11.) / sin? 0 + cos? 0 do cos 0

A: The objective is to evaluate the integration.

Q: 13 · 18* cos (18*) dx

A:

Q: 1+ cos 20 Show that cos 0

A:

Q: 14. Use appropriate double angle formulas to rewrite sin* in terms of the first power of the cosine.…

A:

Q: 5 Suppose ABC is a right triangle, and the Cosine of A is Use a Pythagorean identity to find the…

A:

Q: 7 6. If cos e = 18 37 SOs27, determine the exact value of cos 2.

A: Given: cosθ=718, 3π2≤θ≤2π.

Q: 1. Which of the following is equal to cos* 0 ?

A:

Q: 7 24 tan 0 sin 0<0 Find cos(20).

A:

Q: 10. Write the given expression in terms of x and y only. sin(cos-1 x – cot-1 y)

A: Accoding to question given that sincos-1x-cot-1y

Q: В 3 C 4 A Find cos(B) in the triangle.

A: Since cos(x) is in the ratio of base and hypotenuse