. In AABC if m LC = 90, AC = 8, and AB 17, then cos B = _? %3D

Q: 1 cos 40 2

A: cos4θ=-12, 0≤ θ<2π4θ=2π3+2πn, 4θ=4π3+2πnθ=π6+πn2, θ=π3+πn2Solutions for the range 0≤ θ<2πθ=π6,…

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

A: Follow the procedure given below.

Q: - . Write cos(i – 4) in the form of a + bi.

A:

Q: If cos 0 = 13 a and e EQIV, find csc 0. 13 csc e = 3 csc e = 11 csc e = 13 13 csc e = %3D 11 csc e =…

A:

Q: 14. What is cos 9n ? а. О b. 1 с. -1 d. 00

A: The angle 9π is obtained after 8 and half rotations.

Q: If the L[ eat cos2t] = (s-a)/( s2 - bs +31), determine the value of a.

A: Some of the formulas of Laplace transform Leat=1s-aLcosat=1s2+a2Leatcosbt=s-a(s-a)2+b2

Q: We have 27 Cos (u) du= and converting back to an expression in X qrues us

A:

Q: 6 The value of cos¹ 30sin³60 de is 0

A: It is known that:  sin2x=1-cos2x∫xndx=xn+1n+1+C

Q: by using the triangle method, Show that cos (21an n+1 %3D n2+1 n-1

A:

Q: find the exact value of cos(11Pi/6)

A: Consider the provided expression, cos11π6 Find the exact value of the expression. Use the identity,…

Q: 4. If cos A = 5/7, then sin B = ? %3D O 7/5 O 5/7 O 2/7 89 2/7

A:

Q: Find cos a and cos B for right AABC in Figure 11.16. 13 5 A b LO

A: Our Aim is to find cos α and cos β for right ∆ABC given below:-

Q: 1. and AC In ДАВС, АВ І ВС, АВ %3 b. sin C = 3. Find: d. cos C a. cos A c. tan A

A: Since you have posted multiple subparts, as per our policy we will answer first three subparts.…

Q: If  sec ? = 5  with ? in QIV, find  cos ?,   sin ?,  and  tan ?.

A:

Q: 4. The definition of cos e using right triangles applies when (choose the correct answer): (b) 0 < 0…

A:

Q: 7. In AABC, mZC = 90, AC = 6, and AB = 10. Find tan A.

A: Solution-

Q: Find cos 2a, if cosa =12/13and 3pi/2 &lt;a&lt;2

A:

Q: 5 If csc² A = ;, what is the value of 1- cos? A? 2 5 5 2 2 Option 1 O Option 2 2 2 D Option 3 O…

A:

Q: 2. If sec(a) = , then what is the value of cos(a)? 25.2 %3D 19.4 25.2 19.4 O 16.1 19.4 16.1 25.2…

A: secα=25.219.4cosα=1secα

Q: 20. If cos 0 = 0.2, then cos(0 + TT) = ? %3D %3D O. A. -0.2 B. 0.8 C. 0.2 D. -0.8

A: Use this formula:

Q: Find the exact value of cos a/2 given that tan a = 15/8 ,a lies in Quad III.

A: Given: tan a=158 a is lies in Quadrant III. We have to find the exact value of cosa2 Use the…

Q: Solve the following differentral equation =2メと 11

A:

Q: | 24 a° cos(2) dæ =, %3D

A: Given: I=∫24x3cosxdx For evaluating given integral, we use integral by parts theorem According to…

Q: Given ∆ABC, sin B and cos B.

A: Given, △ABC We need to compute the value of  sinB and cosB.

Q: Given sec 8- -13 $ 3 03 N what is cos?

A: Solving the problem by finding the value of Cos.

Q: (b) If cos (20) = 3/5 and 0 <0 ST/4, find the values of i. sin (20) %3D ii. cos (0) iii. sin (0)

A: If the angle belongs to  0≤θ≤π4, then 2θ belongs to0≤2θ≤π2          It means 2θ is in quadrant I…

Q: 31. Refer to Figure 23(B). Compute cos y, sin , cot , and csc ự. 0.3 (A) (B)

A: Solution: Consider the given figure (B), hypotenuse= h = 1 base = b = 0.3 So, the perpendicular  = p…

Q: B 12 20 und cos(B)

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: cos 52.5° cos 7.5° %3D II

A: We know that cosAcosB=12cosA+B+cosA-B

Q: What is the formula for cos (A/2)

A: We have to find a formula for cosA2

Q: 15 a lies in quadrant III, and cos B =

A:

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

A:

Q: Please help

A: Part (a):We need to find 4 angles betwee pi and 3pi that satisfy the given equation.First of all, we…

Q: 1 1 39. de cos 02

A:

Q: (a) 10 cos 100t + 3

A:

Q: Given the following equations and graphs: Y1 = a1 sin(b1z) Y2 = a2 cos(b2z) where b and b2 are both…

A:

Q: if csc a = √10 and a is in QII, find cos 2a

A: We have to find cos angle

Q: Find all angles, 0° <0 < 360°, that satisfy the equation below. 4cos (20) – 3cos (8) +4 = -cos (0) +…

A:

Q: 13 · 18* cos (18*) dx

A:

Q: 2) cos Č 34 30 16 B

A:

Q: メ dh ト2 2* CoSメ-en布 メ=tャ itS and

A: According to the guidelines issued by the company We are supposed to answer only one question.…

Q: If sin(A+B)=1 and cos(A-B)= V3 -,0B then find A and B

A:

Q: S St. Not e (cos48)² 45 ds

A:

Q: do a) " (a > 1); t a + cos 9

A: By Bartleby policy I have to solve only first one as these are unrelated problems.These are…

Q: 7 Tt 2a) Find cos 6.

A:

Q: Find cos C if a = 8, b = 7, and c = 15.

A: If the sum of squares of two sides is equal to the square of the third side, then these types of…

Q: If sec(a) = 25.2/19.4, then what is the value of cos(a)

A: