i. Using the expansion of cos(3x x) and cos(3x + x), prove that ii. Hence show
Question:
i. Using the expansion of cos(3x − x) and cos(3x + x), prove that
ii. Hence show that
Transcribed Image Text:
-~ (cos 2x - cos 4x) = sin 3x sin.x.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 50% (4 reviews)
We can start by expanding cos3x x and cos3x x using the angle addition formula for cosine cos3x x co...View the full answer
Answered By
Sanjay kumar
Hi there! My name is Muhammed Mundhir p, and I've always been drawn to the technical side of things, and studying astrophysics has given me a chance to really stretch my analytical and critical thinking skills. From studying the behavior of black holes to exploring the mysteries of dark matter, there's always something new and exciting to learn in this field.
0.00
0 Reviews
10+ Question Solved
Related Book For
Cambridge International AS & A Level Mathematics Pure Mathematics 2 & 3 Coursebook
ISBN: 9781108407199
1st Edition
Authors: Sue Pemberton, Julianne Hughes, Julian Gilbey
Question Posted:
Students also viewed these Mathematics questions
-
1. Investigate for what values of k the equations x + y + z = 1, 2x + y + 4z = k, 4x + y + 10z = k2 have infinite solutions. 2. Investigate for what values of and , the system of linear equations x...
-
Using elementary geometry and the definition of sin x, cos x, we can show that for every x R i) | sin x| ii) sin(-x) = - sin x. cos(-x) = cos x, iii) sin2 x + cos2 x = 1, cos x = 1 - 2 sin2 (x/2),...
-
lear CALCULUS 13 f: R- (0) R given by f(x) = 8. EXERCISE - can be made continuous at x = 0 by delining u log(3+x)- log (3-x)-k, the value f0) is If x0 2) 2 3) -1 4) 0 1) ! - JI- px of kis if -Isr <0...
-
Determine the real roots of (x) = - 1 + 5.5x 4x2 + 0.5x3: (a) Graphically and (b) Using the Newton-Raphson method to within s = 0.01%.
-
The Fred Meyer store in Portland has just received a large shipment of fitted baseball caps from Gradient Sporting Goods. In previous orders, a number of the hat sizes have been mislabeled. Because...
-
Are people happy in their romantic relationships? The table shows results from the 2012 General Social Survey for adults classified by gender and happiness. a. Estimate the probability that an adult...
-
The 60-kg flowerpot is suspended from wires AB and BC. If the wires have a failure normal stress of fail = 380 MPa, determine the minimum diameter of each wire. Use a factor of safety of 2. A 60 45...
-
Total input includes abnormal as well as normal spoilage and is, therefore, inappropriate as a basis for computing normal spoilage;. Do you agree? Explain.
-
How does the introduction of site-specific heterogeneity within catalytic surfaces affect the activity and selectivity of heterogeneous catalysts, particularly in complex organic synthesis ?
-
i. Find ii. Without using a calculator, find the exact value of giving your answer in the form ln(ae b ), where a and b are integers. 1+ cos4 2x cos 2x dx.
-
i. By differentiating cosx/sinx that if ii. By expressing cot2 x in terms of cosec2 x and using the result of part i, show that iii. Express cos 2x in terms of sin2 x and hence show that 1/1 - cos2x...
-
Refer to Darvish Company in problem P18-5. Use the same information, except assume Cubbie translates Darvishs financial statements into U.S. dollars using the temporal method. Required: 1. What is...
-
This Act was an amendment to the Fair Labor Standards Act. It prohibits the payment of unequal wages for men and women who worked for the same employer in the same establishment for equal work on...
-
You are a Project Manager on site where work for 3K.m. long Tunnel has been undertaken. The site is remote and takes about 2 days travel to nearest town. Supervisors, Technicians & Skilled Workers...
-
Compute the gross profit for Jefferson Company based on the following: Sales $764,000 Selling expenses 42,500 Cost of goods sold 538,000
-
Do you believe HIT contract negotiations should be conducted by contracting specialists, outside of the HIT department, or by informatics professionals within the department? What are the pros and...
-
commonwealth bank network design 1. Rainbow table attacks are a type of attack that attempts to discover the password from the hash. However, they use rainbow tables, which are huge databases of...
-
A queen-size brass bed costs $1,155 and is financed with monthly payments for three years. The total finance charge is $415.80. Find the annual percentage rate.
-
The following T-accounts show postings of selected transactions. Indicate the journal used in recording each of these postings a through e. Cash Accounts Receivable Inventory (d) 500 (e) 300 (b)...
-
The line L 1 passes through the points A(6, 10) and B(6, 2). The line L 2 is perpendicular to L 1 and passes through the point C(7, 2). a. Find the equation of the line L 2 . b. Find the coordinates...
-
The function f is such that f(x) = 3x 2 for x 0. The function g is such that g(x) = 2x 2 8 for x k, where k is a constant. a. Find the greatest value of k for which the composite function fg can...
-
Show that x 2 + y 2 6x + 2y = 6 can be written in the form (x a) 2 + (y b) 2 = r 2 , where a, b and r are constants to be found. Hence, write down the coordinates of the centre of the circle and...
-
For each of the following statements, which amount of variation is described? a. Provide an interval containing 100% of the scores. B. This value is obtained by dividing the sum of squared deviations...
-
1. What are the steps to implement a new server, service, or application for your organization? 2. Why use a troubleshooting methodology? 3. What six steps in Microsoft's Troubleshooting Methodology...
-
Explain a scenario where we would prefer an old school unit test where we provide a specific input and check for a specific output and why. Explain a scenario where we would prefer to use property...
Study smarter with the SolutionInn App