Question: In studying interference patterns of radio signals, the expression 2E 2 2E 2 cos( ) arises. Show that this can be written as

In studying interference patterns of radio signals, the expression 2E2 − 2E2 cos(π − θ) arises. Show that this can be written as 4E2 cos2 (θ/2).

Step by Step Solution

★★★★★

3.30 Rating (153 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

ANSWER Starting with the expression 2E2 2E2 cos We can use the ident... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Basic Technical Mathematics Questions!

Q:

Find I o in the circuit and draw the phase diagram of V and I o 9.53 Find I, in the circuit of Fig. 9.60. %23 ML 4 2 -j2 2 j6 N 60-30 V 8 10 2

Q:

Find I 0 in the circuit and draw the phase diagram of V and I 0 . 9.53 Find I, in the circuit of Fig. 9.60. %23 ML 4 2 -j2 2 j6 N 60-30 V 8 10 2

Q:

In this exercise you will prove Theorem 9.8.2. a. Prove that the joint p.d.f. of the data given the parameters 1, 2, and can be written as a constant times b. Multiply the prior p.d.f. times the...

Q:

space weather PLEASE HELP ME use MATLAB NO REFERENCE 1.1 Free Space Maxwell's equations describe the behavior of electromagnetic fields and their interaction with mat- ter. They are one of the major...

Q:

Discuss Semantics and the challenges they are in English. 2 Language Structure and Use Learning Outcomes After reading this chapter, you should be able to ... Explain how language contributes to...

Q:

Read Classroom Glimpse. Discuss stress, rhythm, pitch, and intonation based on the tale in the classroom 2 Language Structure and Use Learning Outcomes After reading this chapter, you should be able...

Q:

You may practice teaching and learning tactics. Create a list you may use in class, others, and as a solo instructor. 2 Language Structure and Use Learning Outcomes After reading this chapter, you...

Q:

Probability and Statistics - Problem Set c Keith M. Chugg October 2, 2015 1 Preliminaries, Combinatorics, Set Probability 1.1. A number of bats are in a cave. 2 bats can see out of their left eye. 3...

Q:

QUIZ... Let D be a poset and let f : D D be a monotone function. (i) Give the definition of the least pre-fixed point, fix (f), of f. Show that fix (f) is a fixed point of f. [5 marks] (ii) Show that...

Q:

Providing a point-form summary of each of the cases 1) CASE 1 - Warman v. Grosvenor [1] RATUSHNY J.: --Theplaintiff seeks to stopthedefendant's two-year "campaign of terror" against him, achieved...

Q:

Photosynthesis is a redox reaction. A. Which molecule is/are oxidized B. Which molecule is/are reduced 1. What is the function of the photosystems? 2. What is the function of the first electron...

Q:

11. (Motion in Two and Three Dimensions) You throw a ball toward a wall at speed 25.0 m/s and at angle 60 (as given in figure below). The wall has a distance d = 22.0 m from the release point of the...

Q:

If insider information cannot be used to generate abnormal returns , the financial market is _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ efficient.

Q:

=+2.32 The head of the quality control department at a printing company would like to carry out an experiment t

Q:

In problem, solve each inequality. x 2 + 2x + 4 > 0

Q:

In problem, (a) Graph each quadratic function by determining whether its graph opens up or down and by finding its vertex, axis of symmetry, y-intercept, and x-intercepts, if any. (b) Determine the...

Q:

In problem, graph the function f by starting with the graph of y = x 2 and using transformations (shifting, compressing, stretching, and/or reflection). If necessary, write f in the form f(x) = a(x ...

Q:

Mae Refiners, Incorporated, processes sugar cane that it purchases from farmers. Sugar cane is processed in batches. A batch of sugar cane costs $60 to buy from farmers and $13 to crush in the...

Q:

Kiddie World uses a periodic inventory system and the retail inventory method to estimate ending inventory and cost of goods sold. The following data are available for the quarter ending September...

Q:

The Street Division of Labrosse Logistics just started operations. It purchased depreciable assets costing $36 million and having a four-year expected life, after which the assets can be salvaged for...