Show that sin2 x/sin x = 2cos x

Question:

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Basic Technical Mathematics

ISBN: 9780137529896

12th Edition

Authors: Allyn J. Washington, Richard Evans

See More Books

Question Posted: Apr 05, 2023 03:34 AM

See More Questions

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),...
A 'three-sphere' is the three-dimensional surface in four-dimensional Euclidean space (coordinates x, y, z, w), given by the equation x2 + y2 + z2 + w2 = r2, where r is the radius of the sphere. (a)...
In Sec. 34, use expressions (13) and (14) to derive expressions (15) and (16) for |sin z|2 and |cos z|2. (13) sin z = sin x cosh y + i cos x sinh y, (14) cos z = cos x cosh y i sin x sinh y, where z...
The engines of most rockets produce a constant thrust (forward force). However, when a rocket is fired, its acceleration increases with time as the engine continues to operate. Is this situation a...
Ann and Bill were on the list of a local adoption agency for several years, seeking to adopt a child. Finally, in 2013, good news came their way, and an adoption seemed imminent. They paid qualified...
According to the Organisation for Economic Co-operation and Development (OECD), South Koreans worked an average of 2,090 hours per year in 2011 (compared with 1,787 for workers in the United States)....
No
At December 31, the end of Chilton Communications third quarter the following stockholders equity accounts are reported: Common stock, $ 10 par value . . . . . . . . . . . . . . . . . . . . . . . . ....
Q/ Assume that Joe sold his 5% interest to Novi Inc, a domestic c corporation, in May 31st, 2022 and plans to not sell his interest any more until the 12.31. 2022 closing date. How can they make this...
Verify each identity by comparing the graph of the left side with the graph of the right side on a calculator. (sin x + cos x) 2 = 1 + sin 2x
Find an algebraic expression for each of the given expressions. tan(sin 1 x)
a. Let where a is a real number. Evaluate I(a) and show that its value is independent of a. Split the integral into two integrals over [0, 1] and [1, ]; then use a change of variables to convert the...
Civil What are the challenges of using intermediate structures in the analysis of Pauli structures?
Civil What are the advantages of intermediate structures in the analysis of Laguerre structures?
Civil What are the disadvantages of using intermediate structures in the analysis of geothermal energy environmental product promotion?
Civil How can intermediate structures be used in the analysis of geothermal energy environmental product pulmonary toxins?
Civil What challenges arise when using intermediate structures in the analysis of structural robustness?
World Wrestling Entertainment, Inc. (WWE) is a sports media and entertainment company primarily focused on professional wrestling. WWEs income statements through operating income for two recent years...
Identify the most stable compound:
Assume that the HOH bond angles in various crystalline hydrates have been measured to be 108 , 109 , 110 , 103 , 111 , and 107 . Give your estimate of the correct bond angle and its 95%...
Apply the Q test to the 39.75 C data point appended to the data set of the previous example.
In order to determine the intrinsic viscosity [Î·] of a solution of polyvinyl alcohol, the viscosities of several solutions with different concentrations are measured. The intrinsic...
The company sold merchandise to a customer on March 31, 2020, for $100,000. The customer paid with a promissory note that has a term of 18 months and an annual interest rate of 9%. The companys...
imer 2 0 2 4 Question 8 , PF 8 - 3 5 A ( similar to ) HW Score: 0 % , 0 of 1 0 0 points lework CH 8 Part 1 of 6 Points: 0 of 1 5 Save The comparative financial statements of Highland Cosmetic Supply...
An investor wants to purchase a zero coupon bond from Timberlake Industries today. The bond will mature in exactly 5.00 years with a redemption value of $1,000. The investor wants a 12.00% annual...

Show that sin2 x/sin x = 2cos x

Question:

Step by Step Answer:

To show that sin2 xsin x 2cos x we can use the trigonometric identity sin 2x 2s...View the full answer

Basic Technical Mathematics

Students also viewed these Mathematics questions