Many smartphones are now able to use information sent out by GPS satellites (of which there are about nine overhead at any one time) in a similar way. Since the satellites are moving around in space, and therefore can’t be located on a two-dimensional map of the Earth, we now need to consider three-dimensional geometry. How many satellites are needed to be sure of the location of a smartphone? Explain your findings

Q: a) Explain what a trigonometric identity is, b) give an example of a trigonometric identity, and c)…

A: A trigonometric identity is an equation that relates the trigonometric functions of one or more…

Q: Given a triangle with angle A = 100 degrees and sides a = 42 and b = 14. Find side c. C = Round to…

A:

Q: Find all solutions of the equation 2 cos x 1 = 0 on 0 ≤ x < 2π The answers are A and B, where A < B…

A:

Q: 86. (a) 2 sin 74º sin 24° (b) 8 sin 18x cos 13x

A: Question No. (86): To write each expression as a sum or difference of trigonometric functions.

Q: Consider the following. -5 3 -HAN A = 2-5 B = 1 2 1 0 (a) Find A + B. 3 5 -3

A: we have given

Q: The cables attached to a TV relay tower are 130 m long. They meet level ground at an angle of 60.0°,…

A: Given that,

Q: Use a sketch to find the exact value of z. an (cos-120) 29 z =

A:

Q: Matrix A has 3 rows & 2 Columns Matrix B has 2 rows of 3 colums Matrix C has 2 rows by 2 colums…

A:

Q: Use the Law of Sines to solve the triangle. Round your answers to two decimal places. A = 22°, C…

A:

Q: A gauge is used to check the diameter of a crankshaft journal. It is constructed to make…

A: A gauge is used to check the diameter of a crankshaft journal. It is constructed tomake measurements…

Q: 4. Find the magnitude and direction angle (to the nearest tenth) of the vector (-7,24). Sketch a…

A:

Q: Use the Law of Cosines to find the remaining side(s) and angle(s), if possible. a = 5, b = 12, c =…

A:

Q: cos (arcsin+arccos √√3 2

A: Use the formula:

Q: An aptitude test is designed to measure leadership abilities of the test subjects. Suppose that the…

A:

Q: Exercises 1-4: Use the graphical representation of v to complete the following. (a) Estimate integer…

A: First we need to locate the point on the graph :-

Q: Watch the video and then solve the problem given below. Click here to watch the video. The function…

A:

Q: A 90-foot vertical tower is to be erected on the side of a hill that makes a 6° angle with the…

A: A property of the triangle:

Q: Find all solutions of the equation in the interval [0,2л). 2 sin ²0-sin 0-1=0

A:

Q: i do not know how to do this

A:

Q: how to verify (1-2cos^2x)/(1-2cosxsinx) = (sinx+cosx)/(sinx-cosx)

A:

Q: bridge is to be built across a small lake from a gazebo to a dock. The bearing from the gazebo to…

A:

Q: Find the exact value of the expression. π 2 + tan

A:

Q: 1. Write the sum as a product: cos (16.8x) - cos(12.6x) = ?

A: Question No. (1):To write the following sum as a product.Note: Since you have posted multiple…

Q: Use table for trigonometric function values of some common angles and simplify the resulting…

A:

Q: cos 3 theta = 0 find alldegree solutions

A:

Q: Station Cut End Area (ft2) 10+00 240 11+00 362 12+00 443 13+00 406…

A: The objective of this question is to calculate the volume of excavation between stations 10+00 and…

Q: For the following graph, list the period and amplitude and state the equation for the graph in both…

A: The standard equation of cosine and sine function Amplitude time period phase shift vertical shift

Q: Find the component form of the vector v using the information given about its magnitude and…

A:

Q: Solve for x in the interval [0,27]. Make any necessary substitutions using identities. Keep answers…

A: The given equation is,Substitute

Q: 119. You are sitting in a classroom next to the wall looking at the blackboard at the front of the…

A:

Q: 2. The measures of two sides of a triangle and the angle opposite one of them are given. Solve all…

A: Note:-Since you asked multiple questions, according ti our policy we can answer only first question…

Q: Write the sum in summation notation 1/8 + 1/27 + 1/64 + 1/125 +...1/512

A: The objective of the question is to express the given series in summation notation. Summation…

Q: نه این If cos=- ≤0 ≤7 determine sin 20 and cos 20 2

A: Given that

Q: Prove the following identity. cot ? = sin 2?/1 − cos 2?

A:

Q: Express the following as an algebraic function of x. cos (cos' (x) - sin(x))

A:

Q: If we denote a cystic fibrosis gene with a c and a​ disease-free gene with a C​ (since the disease…

A: If we denote a cystic fibrosis gene with a c and a​ disease-free gene with a C (since the disease is…

Q: Find the indicated terms of the geometric sequence with the given description. The third term is…

A:

Q: Fire tower A is x = 35 kilometers due west of tower B. A fire is spotted from the towers, and the…

A:

Q: Use trigonometric identities to solve the equation in the interval [0, 2л). 4 cos ²0+6 sin 0-6=0

A:

Q: For triangle ABC, we are given that m/A = 54°, AB = 7.5 cm , and BC = 19 cm. We can use the Law of…

A: For triangle ABC, we are given that m/A = 54°, AB = 7.5 cm , and BC = 19 cm. We can use the Law of…

Q: 10 km 0 B I Not drawn to scal

A:

Q: Simplify the equation sin(2pi +x)

A:

Q: Consider the following. 2 -3 1 -3 1 21 +] [3] 1 0-2 25-3 (a) Find A + B. A (b) Find A B. 1 (c) Find…

A:

Q: how many solutions does tan 3x = a have/ less than 2 pi but greater than 0

A: Find the  number of solution  of question. We will find the solution  using graph of tan 3x.

Q: If Cos √3 2 calculate the value of O = and tan 0 = . where 00 < 2TT.

A: we are given the values of two trigonometric functions, we need to find out the value of the angle…

Q: Bob works for NASA designing planetary rovers. For his current project, he has to design a rover…

A:

Q: where f us increasing decreasing and constant  also the relative minimum where f(x)=-3 and if it's…

A: -3 is not in the range of f(x). Therefore, there are no values of x for which f(x) = -3.

Q: ay 05 60 m m. E R R 100 m B K * * £ D1C с 7,32 od A ansibizare delle

A:

Q: a tower leans at an angle of about 84.7 the figure shows that 165 ft from the base of the tieer the…

A: a tower leans at an angle of about 84.7 the figure shows that 165 ft from the base of the tower the…

Q: A river runs west to east. A tree stands on the edge of one bank of the river and a man standing…

A: Let h be the height of tree and x be width of riverThe figure