1. Using the half-angle formulas fine the EXACT value of cos(22.5o) 2. verify the identity cos(3x)=(1-4sin2(x))cos(x)...

Question:

1. Using the half-angle formulas fine the EXACT value of cos(22.5o)

2. verify the identity

cos(3x)=(1-4sin2(x))cos(x)

3. find the EXACT solutions in the interval [0,2pi)

sin(2beta)-2cos(beta)=0

******Please do not use and decimals in the set or answer process*****

Thank you so much

Similar Solved Questions

Four samples of the same unknown gas G are listed in the table below. Rank these...
Four samples of the same unknown gas G are listed in the table below. Rank these samples in increasing order of ideality. That is, select 1 next to the sample of G that will behave least like an ideal gas, and select 4 next to the sample of G that will behave most like an ideal gas. volume How ideal...
An employee's right to obtain pension benefits regardless of whether (s)he remains employed is the A....
An employee's right to obtain pension benefits regardless of whether (s)he remains employed is the A. Prior service cost B. Defined benefit C. Vested interest D. Minimum liability...
Y = cos(9.2) dy Find Type sin(x) for sin(x), cos(x) for cos(2), and so on. Use...
y = cos(9.2) dy Find Type sin(x) for sin(x), cos(x) for cos(2), and so on. Use x^2 to square x, x^3 to cube x, and so on. Use (sin(x) y^2 to square sin(x). Do NOT simplify your answer....
In this reaction reaction: SO3(g) +H2O(1) -> H2SO4(aq) which is the oxidizing agent? None of these...
In this reaction reaction: SO3(g) +H2O(1) -> H2SO4(aq) which is the oxidizing agent? None of these SO3 H20 H2SO4...
The synthesis of proteins takes place a) in the nucleus of the cell b) in the...
The synthesis of proteins takes place a) in the nucleus of the cell b) in the mitochondria on the DNA molecule on the ribosomes e) along a gene...
Low-frequency vibrations (less than 5 Hz) are annoying to humans if the product of the amplitude...
Low-frequency vibrations (less than 5 Hz) are annoying to humans if the product of the amplitude and the frequency scared (Af^2) equals 0.5x10(-2) m/s^2 (or more). Estimate the frequency and amplitude of a buzzer that produces these annoying vibrations if the device vibrates a total mass of 0.12 kg ...
Calculate Ionic Strength given the following information: 17.91 g Na2HPO4*12H2O 1L H2O
Calculate Ionic Strength given the following information: 17.91 g Na2HPO4*12H2O 1L H2O...
Experiment 8-Data and Observations 5. A hydrate is 38.41% water by mass. The sample has a...
Experiment 8-Data and Observations 5. A hydrate is 38.41% water by mass. The sample has a mass of 0.6689 g. a. How many grams of water are in the sample of the hydrate? b. How many moles of water are in the sample? c. How many molecules of water are in the sample?...
21 of 23 > Classify each aqueous solution as acidic, basic, or neutral at 25 °C...
21 of 23 > Classify each aqueous solution as acidic, basic, or neutral at 25 °C Acidic Basic Neutral pll = 7.00 H+1=10x 10" Answer Bank pll 3.28 [OH-] = 2.7x 10" [H) - 4.5 x 10" LOH -4.2 10 pli=8.54 H -33x 10-...
Question: Trapeziums Please assist in explaining how to solve this problem solving question. An equilateral triangle,...
Question: Trapeziums Please assist in explaining how to solve this problem solving question. An equilateral triangle, with side of length 3n for some natural number n, is made of smaller equilateral triangles. See the figure below for the case n=2. A bucket-shaped trapezium shown in the right of th...
13-   Write the program that gets three number Start, End , STEP Then shows: Start, Start...
13-   Write the program that gets three number Start, End , STEP Then shows: Start, Start + Steps, Start + step+Step ……. Less or Equal End Example if Start: 7 , 35, 67 , 13, 19,25,31 use python pls...
You are provided with the following information for Wildhorse Co., effective as of its April 30,...
You are provided with the following information for Wildhorse Co., effective as of its April 30, 2017, year-end Accounts payable Accounts receivable Accumulated depreciation-equipment Cash Common stock Cost of goods sold Depreciation expense Dividends Equipment Income tax expense Income taxes payabl...
How do you solve the system of equations 2x + y = 8 and 3x - y = 7?
How do you solve the system of equations 2x + y = 8 and 3x - y = 7?...
How do you evaluate the limit 2t^2+8t+8 as t approaches 2?
How do you evaluate the limit 2t^2+8t+8 as t approaches 2?...