i. Show that (2 sin x + cos x) 2 can be written in the form ii.
Question:
i. Show that (2 sin x + cos x)2 can be written in the form
ii. Hence find the exact value of
Transcribed Image Text:
5 2 +2 sin 2.x - - 3 2 cos2.x.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 66% (6 reviews)
1Proof 2sinxcosx 2 2sinx 2 cosx 2 22sinxcosx open the hole squar...View the full answer
Answered By
Rishi Anand
Hello and welcome to my profile.Let me introduce myself.I am Laiba Ayyub.I am Master degree holder.I got my Masters degree in Mathematics from Riphah International University Islamabad.I have been a good student.I am teaching many students right now.I taught in a High private school in my city.I also take classes in evening from class 8th to 14th.I am expert in doing maths.I believe in students satisfaction.
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
-
Show that C1 cos βt + C2 sin fit can be written in the form A sin (βt + y). Let sin ( = Cil A, and cos y = C2 / A? A = VC} + C3. %3D
-
a. Show that d/dx(sin x/1 cos x) can be written in the form k/cos x 1, and state the value of k. b. Hence find 5/cos x -1 dx.
-
The fundamental theorem of algebra asserts that any polynomial p(z) with complex coefficients may be written in the form p(z) = a(z-21) (z - 22). (z-Zn), where a is a nonzero complex number, n is the...
-
Violet Flowers expects to sell 3,000 plants a month. She estimated the following monthly costs: Variable Costs $9,000 Fixed Costs $15,000 During her second month of operation, Violet would like to...
-
In a recent assessment test given by the Department of Education, approximately 55% of high school seniors did not show even basic knowledge of American history. In fact, a substantial number of them...
-
To test H 0 : p = 0.50 that a population proportion equals 0.50, the test statistic is a z-score that measures the number of standard errors between the sample proportion and the H 0 value of 0.50....
-
If the allowable bearing stress for the plates under the supports at A and B is ( b ) allow =1.8 MPa, determine the size of square bearing plates A and B required to support the load. Dimension the...
-
On January 1, 2013, Nath-Langstrom Services, Inc., a computer software training firm, leased several computers from ComputerWorld Corporation under a two-year operating lease agreement. The contract...
-
How do distillation systems incorporate heat integration and energy recovery techniques to optimize energy consumption, and what are the latest advancements in these areas ?
-
The diagram shows part of the graph of y = cos x. The points(/4, 2/4) and (/3, 1/3) lie on the curve. a. Find the exact value of b. Hence show that y 2 2 1 2 0 y = cos x R|4 E|M 3 X
-
a. Find where a is a positive constant. b. Hence find the value of S (4e-* + Se-x) dx,
-
Al has T c = 1.14 K. Assuming it is in the BCS weak-coupling limit, calculate the superconducting gap 2 0 . Give your answer in J, eV, and cm 1 .
-
In Estate of Mauro v. Borgess Medical Center , what the court held ? Explain.
-
A well water with a total hardness of 10.76 ppm is to be used for a pharmaceutical industry, which requires finished water hardness to be 3 ppm. An ion exchange resin is selected requiring 0.3 pounds...
-
4. Suppose we have a signal f(t) on [0,1] which is "bandlimited" in that it only has N = 2B + 1 Fourier series coefficients which are non-zero: f(t) for some set of expansion coefficients = a= B...
-
Should quality improvement be a major operational strategy for how health care facilities are owned and operate? Explain.
-
Investment A costs $2,000 today, with cash inflows of $400, $400, $400, and $1,200 in years 1-4 respectively. Investment B costs $1,000 today and will have one cash inflow of $1,100 in 1 year. If...
-
Suppose you have borrowed money that is being repaid at $45 a month for 12 months. What is the finance charge refund after making eight payments if the finance charge is $105?
-
Prove that the mean heat capacities C P H and C P S are inherently positive, whether T > T 0 or T < T 0 . Explain why they are well defined for T = T 0 .
-
The points P(1, 2) and Q(7, 1) lie on the circumference of a circle. Show that the centre of the circle lies on the line 4x + 2y = 15.
-
The function f is such that f(x) = x 2 5x + 5 for x . a. Find the set of values of x for which f(x) x. b. The line y = mx 11 is a tangent to the curve y = f(x). Find the two possible values of m.
-
The point P(k, 2k) is equidistant from A(8, 11) and B(1, 12). Find the value of k.
-
4. Solve the equation. log, (8x-9)=log, (5+2x)
-
ter 6+72 Divide: Write your answer in a + bi form 3+5i
-
Find the graph that matches the given table. X f'(x) -1 0 1 Does not exist 2 0
Study smarter with the SolutionInn App