Simplify the given expressions. cos(x + )cos(x ) + sin(x + )sin(x )
Question:
Simplify the given expressions.
cos(x + π)cos(x − π) + sin(x + π)sin(x − π)
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 66% (9 reviews)
Using the identities cosx cosx sinx sinx cosx cosx sinx sinx W...View the full answer
Answered By
Anik Kumar Bosu
I am expert in Maths, Physics, Chemistry and Biology. I also teach student from 3 years. Students becomes satisfied by my teaching. So, do not worry.
0.00
0 Reviews
10+ Question Solved
Related Book For
Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
Question Posted:
Students also viewed these Mathematics questions
-
9. sin u + cot 11. sec - cos 0 sin 0 13. 13-28 Simplifying Trigonometric Expressions Simplify the trigonometric expression. sin x sec x tan x 15. sin t + tant tan t 17. cosx + sinx cos x secx - 1...
-
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...
-
Expand and simplify the given expressions by use of the binomial formula. 6 a (1 + x) x
-
Evaluating these 3 bonds: Face value Coupon rate Maturity year A 1000 8% 5 B 1000 6% 10 C 1000 0% 10 Suppose the yield curve is flat at 7% for all maturities. Use annual compounding in this problem....
-
Geneticists use a grid-called a Punnett square to display all possible gene combinations in genetic crosses. (The grid is named for Reginald Punnett, a British geneticist who developed the method in...
-
Assume you are considering a clients controls over purchases and cash disbursements. System documentation was accomplished through flowcharts and narratives and, in conjunction with a transaction...
-
Estimate the fundamental frequency of a cantilever beam whose cross-sectional area and moment of inertia vary as \[A(x)=A_{0} \frac{x}{l} \quad \text { and } \quad I(x)=\bar{I} \frac{x}{l}\] where...
-
The amounts of the assets and liabilities of Utah Travel Service as of April 30, 20Y6, the end of the current year, and its revenue and expenses for the year are listed below. The retained earnings...
-
Need for better courses in Ontario high schools. You are frustrated that Ontario High schools do not properly prepare students for successful careers and post-secondary education. You are a part-time...
-
Simplify the given expressions. 4sin 2 x cos 2 x
-
Evaluate exactly the given expressions if possible. sin 1 (2/2)
-
A ________is behavior that is elicited by a biologically relevant stimulus, while a ________ is behavior that is controlled by its consequences. a reflex; respondent b respondent; voluntary c reflex;...
-
Hunter, Inc. analyzed its accounts receivable balances at December 3 1 , and arrived at the aged balances listed below, along with the percentage that is estimated to be uncollectible: % Considered...
-
Warner Corporation purchased a machine 7 years ago for $ 3 7 6 , 0 0 0 when it launched product P 5 0 . Unfortunately, this machine has broken down and cannot be repaired. The machine could be...
-
Outback Outfitters sells a small camp stove for $ 1 5 0 per unit. Variable expenses are $ 1 0 5 per unit, and fixed expenses total $ 1 8 4 , 5 0 0 per month. Required: What is the break - even point...
-
Gino's Restaurant is a popular restaurant in Boston, Massachusetts. The owner of the restaurant has been trying to better understand costs at the restaurant and has hired a student intern to conduct...
-
Myriad Solutions, Incorporated issued 1 2 % bonds, dated January 1 , with a face amount of $ 3 7 0 million on January 1 , 2 0 2 4 , for $ 3 3 0 , 8 0 2 , 4 2 2 . The bonds mature on December 3 1 , 2...
-
Why is it so important that an audit committee not have any executive directors as members?
-
A copper wire (density = 8.96 g/cm 3 ) has a diameter of 0.25 mm. If a sample of this copper wire has a mass of 22 g, how long is the wire?
-
Convert 2017 to a numeral in the base indicated. 7
-
Write the numeral as a Roman numeral. 9999
-
Convert 2017 to a numeral in the base indicated. 6
-
How does technological disruption impact workforce adaptability, and what strategies can organizations implement to ensure a smooth transition during digital transformation ?
-
What is the Americans with Disabilities Act and how does it affect business's and housing regulation? What are 3 other laws that business owners should be aware of? Explain the concept of reasonable...
-
Economic growth in an economy is defined by the amount of goods and services it produces (Acemoglu, 2012). When an economy grows, living standards improve as wages increase and employment levels...
Study smarter with the SolutionInn App