cos (90°-x) COS

Q: This problem refers to right triangle ABC with C = 90°. Begin the problem by drawing a picture of th...

A: In Right angle triangle ABC , cosθ=BaseHypotenuse.

Q: An ecologist wishes to find the height of a redwood tree that is on the other side of a creek, as sh...

A:  Given, The angle of elevation from A to tree is 12.6°. The angle of B to bottom of tree is 86.6° AB...

Q: Find the half-range cosine and sine expansions for the following:

A:   Half range cosine series 

Q: 9. 30 7V3

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Q: Solve the equation on the interval 0s0<2n. 50 sec = 2 4. 50 What are the solutions to sec = 2 in the...

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Q: 7. 5. 6. F. E.

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Q: To find the distance across a small lake, a surveyor has taken the measurements shown. Find the dist...

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Q: 1. Which is the value of sin? 51° + cos? 51°? undefined O 1 O -1

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Q: Use the exact values of the unit circle AND that fact that cosine is an even function to find: cos(−...

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Q: 2. A solid figure is in a form of a right regular hexagonal prism on which a portion of it i at the ...

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Q: A rocket is rising vertically at a rate of 5400 miles per hour. An observer on the ground is standin...

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Q: The sine of an obtuse angle is 0.53. Calculate the tangent of this angle to 4 decimal places.

A: Let the angle is ∅  

Q: nat is the period of y = -3 tan (2 n) +6?

A: Given query is to find the period of the function.

Q: a polynomial function is given  R(x)=-x^5+4x^3-9x describe the end behavior of the polynomial func...

A: NOTE: Refresh your page if you can't see any equations. . here degree of the polynomial is 5 which ...

Q: O 0, 5 , 7, 0, 풍,

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Q: c) f(1) = te¯«a f(1) = te", 12 0, Is 0. -j4aw (c) (a + w) %3D %3D

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Q: 8 sin(x) : x in Quadrant I 17

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Q: 7) Write an equation of a line whose slope is undefined ? O A)y = x 1OBY=x+1 OC)y -2 O D)x= -1 51969...

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Q: The area of the triangle below equals to 5 8

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Q: find all solutions of the equation and expressthem in the form a+bi. (enter your answers as a comma-...

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Q: 38. Given that the perimeter of a triangle is 147. If the angles of the triangle are in the ratio 5:...

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Q: In the figure below, the distance from A to D is y, the distance from D to C is x, and the distance ...

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Q: A beam whose centre of gravity divides it into two portions, a and b. is placed insıde a smooth sphe...

A: I am attaching image so that you understand each and every step.    

Q: Directions: Explain the following problem using the concept of triangle congruency. To measure the d...

A: The Greek mathematician Thales devised the instrument to calculate the distance of ship from the sho...

Q: 9. A pentagonal pool is to be constructed with a uniform depth of 6 feet. The dimensions are shown i...

A:   And depth is given as 6ft AB=DE=6" Title size =4"×4" Price of a tile =Php 7/piece

Q: Each tire of an automobile has a radius of 1.25 feet. How many revolutions per minute (rpm) does a t...

A: Given radius of the tire is 1.25 ftTraveling speed =77 feet/ secwe need to find the revolution pe mi...

Q: 4. Find the ratios stated: i) Sine Ratio 53.13° 10 ii) Cosine Ratio 18 iii) Tangent Ratio

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Q: Find the Fourier transform of each function. In each case, a is a positive real constant. Answer: (a...

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Q: 3. A triangle has two sides which measure 15cm and 20cm with the angle between these sides measuring...

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Q: Complete the steps by applying trig identities to show that the left hand side of the equation is eq...

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Q: 4 75° 5.

A: Given that:                                  

Q: 30. Velocity of a Star The space velocity v of a star relative to the sun can be expressed as the re...

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Q: For the force P in Fig. determine the components Pi and Paif the former is directed 80 deg from the ...

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Q: Which of the following is/are exact differential equations? a) xexydx+yexydy=0 b) (x+4x3siny)dx + ...

A: Since you have asked a question with multiple parts in a single request we would be answering only t...

Q: Find AB 91 3 A = -64. B% = -8-

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Q: the length of two sides of a triangle are 93 inches and 76 inches. The angle between these two sides...

A: Topic:- geometry

Q: What is the exact value of cos(495°)? A 3 2 2 D 2 2. wish B

A: All trigonometry ratios change at 90° and 270°. In second quadrant , sine and cosine are positive.

Q: If a sprinkler head rotates 180° and has enough pressure to keep a constant 25-foot spray, what is t...

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Q: Use the Law of Cosines to determine the indicated side x. (Assume b = 19 and c = 23. Round your answ...

A: We can apply cosine rule to find x as below.

Q: What is the reference angle of 0 if 0 = -137°? A 43° В 47° C 137° D 223°

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Q: The tangent of an obtuse angle is –7/18 Calculate the cosine of this angle to 4 decimal places.

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Q: 11) Multiply the Matrices -6 6 4 1 -2 -12 -8 8 3 4 -5 9. 5 -1 Dimensions Use.only boxes needed. New ...

A: For Matrix Multiplication, the number of columns of the first matrix must equal the number of rows o...

Q: Change to degrees and to radians unit: 1. 34 radians = ? degrees The formula in c...

A: Change to degrees and to radians unit: 1. 34 radians         =34x180π=34*180227=34x180x722=1947.27...

Q: Use a graphing utility to graph the equation below. Then use the TRACE feature to trace along the li...

A: Given that: y=34x+3

Q: 4) Given a circle with a radius of 12cm. Find the length of an arc intercepted by a chord of length ...

A: Given that: Radius of circle, R=12 cm

Q: Determine whether the statement below is true or false. sin (a + B) = sin a + sin ß +2 sin a sin ß %...

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Q: Use identities to simplify the expression. 1 tan?a - 2 cos cos -a 1 tan a - %3D 2 Cos Fa II

A: We can simplify the expression as below.  

Q: 3. (a) Why is L''Hospital's rule useful for finding the limits? Can it be used in every situation? P...

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Q: (99) Sin (2 sec)

A: Topic:- trigonometry ratios

Q: C.) Write the equal statement for any figures that can be proved congruent. Explain your reasoning. ...

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