Quest 3.4.49 A thread is being pulled off a spool at the rate of 71.5 cm per sec. Find the radius of the spool if it makes 148 revolutions per min. cm (Round to two decimal places as needed.) e Enter your answer in the answer box and then click Check Answer. Check Answer All parts showing Clear All 7

Q: What is the exact value of 2sin(x/2) * cos(x/2) if sin of x = 3/5 and cos of x = 4/5 ?

A: To determine the exact value of the expression.

Q: If the point P( -4/5 , y) is on the unit circle in quadrant IV, then y= ??

A:

Q: 21 25 24 29 27 28 26 Matrices C and Dare shown below. 1 -0.4 C- 0 3 0-0-02 08 21 0 04 0.6 What value...

A: The given matrices are,

Q: The question says: "Find sin(x/2), cos(x/2), and tan(x/2) from the given information: cosx= -4/5, 18...

A: It is given that,

Q: Using the graph below, find values for the radius r, the angle theta in radians and in degrees, and ...

A: The graph meets the x-axis at (11,0) 

Q: see attached

A: Let the plane is at the point P . Let PC be the length of altitude drawn from P to AB.The angles of ...

Q: I am struggling to solve this problem.   Thanks much.

A: Known facts:

Q: Prove that the following identity is true. tan A = sin A sec A We begin by writing the left side of ...

A: Here we have to prove

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A: The given identity is

Q: Suppose y=1cos(9t+25)+5. what is the horizontal shift?

A: Given function is

Q: Hw 2    solving out the verification

A: Given:

Q: 1 - tan2 x X 4. cos 2x 1 +tan2

A:

Q: Solve the following equation for all radian solutions and if 0 s x < 2t. Give all answers as exact v...

A: Consider the given equation:

Q: see attachment

A: Given information:

Q: olve the right triangle. В 967 m 36° 43' A b (Round to the nearest integer as needed.) B = m (Round ...

A: Find the angle A in normal decimal degree:

Q: Find the exact circular function value of cos (-2π/3)

A: Given,

Q: Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round...

A: Given, 

Q: Solve 6cos(2β)=6cos2(β)−4 for all solutions 0≤β&lt;2π. β=

A: Given:

Q: see attached

A: We know that,

Q: Given t = 1.25 is a solution to tan t = 3, use the period of the function to name three additional s...

A: Refer to the question , with the use of the period of the function we have to name three additional ...

Q: 2.5.31 The angle of elevation from a point on the ground to the top of a pyramid is 37 50' The angle...

A: Consider the provided figure,Convert 370 50’ in only degree.50’ = 50/60 = 0.8330So, 37050’ = 370 + 0...

Q: photo attached

A: Given:

Q: photo attached

A:

Q: A tire is rotating 720 times per min. Through how many degrees does a point on the edge of the tire ...

A: A tire is rotating 720 times per min. Through how many degrees does a point on the edge of the tire ...

Q: Hello, can you please explain to me how the answer is 2tanx. The original problem is in the first li...

A: Given,

Q: see attachment

A: Given:

Q: Find the exact value of the expression using the provided information.Find sin(s + t) given that cos...

A: Given,

Q: Find the measure of the smaller angle formed by the hands of a clock at the following time  5:25

A: Given:A clock at 5:25

Q: Find the coordinates of the point P at an angle of 225 degrees on a circle of radius 2.7. Round your...

A: Given,          The point P at an angle of 225 degrees on a circle of radius 2.7

Q: Multiply the numerator and denominator of the fraction by the conjugate of the denominator, and then...

A: Multiply the numerator and denominator of the fraction by the conjugate of the denominator, and then...

Q: The voltage E in an electrical circuit is given by E = 1.3 cos 100 πt, where t is time measured in s...

A: The expression of voltage (E) as a function of time is given below.E = 1.3∙cos(100∙π∙t)

Q: see attachment

A: To find the all solutions of the below equation which are in the interval range [0, 2π).

Q: see attachment

A: To determine the vector v from the given points.

Q: Find sin θ if cot θ = - 2 and cos θ &lt; 0.

A: To determine the value of sin(θ).

Q: How do I rationalize a number?

A:

Q: The following graph shows at least one complete cycle of the graph of an equation containing a trigo...

A: From the given graph, the function attains the maximum at x = 6 and minimum at x = –6, and the x int...

Q: A circle of radius 7 is centered at the point (-8, 9). Find a formula for f(q), the x-coordinate of ...

A: Draw a perpendicular line from P on x axis.Name the points as shown on the board.x coordinate = Leng...

Q: see attachment

A: Given, 

Q: Write the given expression in terms of x and y only. cos(sin−1 x − tan−1 y)

A:

Q: Solving hw 16

A: Consider the given trigonometric equation:

Q: See attachment

A: Add 1 to both sides to the given equation.

Q: Find all values of 0, if e is in the interval [0°, 360°) and has the given function value. csc 0 2 (...

A: Given Equation is

Q: see attachment

A: Given,

Q: The question says to write the trigonometric expression in terms of sin and cos, and then simplify: ...

A: Given trignometric expression is 

Q: Prove the identity. sec2 (x/2)= 2 sec x + 2/sec x + 2 + cos x

A: The given equation is,

Q: Use a Double- or Half-Angle Formula to solve the equation in the interval [0, 2π). (Enter your answe...

A: Given,

Q: Q2:- Sketch the following functions (in steps), then find their domains. a) y 1-cos-1(-x) b) у%3D ta...

A: Part A)To sketch the graph of the below function

Q: photo is attached

A:

Q: Solve the equation for all degree solutions and if 0° < 0 < 360°. Do not use a calculator. (Enter yo...

A: (a)Given:

Q: The question asks for the exact value of the trignometric function given the real number:   cos(-pi/...

A: To determine the value of trigonometric function given below: