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Ratling [72]
3 years ago
14

Find at least three nonzero terms​ (including a 0 and at least two cosine terms and two sine terms if they are not all​ zero) of

the fourier series for the given​ function, and sketch at least three periods of the function. f left parenthesis x right parenthesis equals left brace start 2 by 2 matrix 1st row 1st column 7 2nd column negative pi less than or equals x less than 0 2nd row 1st column 0 2nd column 0 less than or equals x less than pi endmatrix
Mathematics
1 answer:
Ainat [17]3 years ago
7 0
You could subtract the denominator fro the numerator which would give you a total sum of 1 thousand an fifty five
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Felix is printing orange and green forms. he notices that 9 orange forms fit on a page, and 10 green forms fit on a page. if Fel
pochemuha
The maximum number for each should 20! :)
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3 years ago
Find the EXACT value of sin(A−B) if cos A = 3/5 where A is in Quadrant IV and cos B = 12/13 where B is in Quadrant IV. Assume al
MissTica

\bf \textit{Sum and Difference Identities} \\\\ sin(\alpha - \beta)=sin(\alpha)cos(\beta)- cos(\alpha)sin(\beta)

well, for both angles A and B we're on the IV Quadrant, meaning, the sine is negative, the cosine is positive, likewise, the opposite side is negative and the adjacent side for the angle is positive.

\bf cos(A)=\cfrac{\stackrel{adjacent}{3}}{\underset{hypotenuse}{5}}\qquad \qquad \stackrel{\textit{getting the opposite side}}{b=\pm\sqrt{5^2-3^2}}\implies b = \pm 4 \\\\\\ \stackrel{IV~Quadrant}{b = -4}\qquad \qquad sin(A)=\cfrac{\stackrel{opposite}{-4}}{\underset{hypotenuse}{5}} \\\\[-0.35em] ~\dotfill\\\\ cos(B)=\cfrac{\stackrel{adjacent}{12}}{\underset{hypotenuse}{13}}\qquad \qquad \stackrel{\textit{getting the opposite side}}{b=\pm\sqrt{13^2-12^2}}\implies b = \pm 5

\bf \stackrel{IV~Quadrant}{b = -5}\qquad \qquad sin(B)=\cfrac{\stackrel{opposite}{-5}}{\underset{hypotenuse}{13}} \\\\[-0.35em] ~\dotfill\\\\ sin(A-B)=\cfrac{-4}{5}\cdot \cfrac{12}{13}-\left( \cfrac{3}{5}\cdot \cfrac{-5}{13} \right)\implies sin(A-B)=\cfrac{-48}{65} - \left( \cfrac{-15}{65} \right) \\\\\\ sin(A-B)=\cfrac{-48}{65} + \cfrac{15}{65}\implies sin(A-B)=\cfrac{-33}{65}

4 0
2 years ago
In a dance competition, a participant has to score a total of at least 30 points in the first four rounds combined to move on to
Anvisha [2.4K]

Answer:

5 + 3p ≥ 30

Step-by-step explanation:

"at least" means greater than are equal to. ≥

So we already know he has 5 points, but the other 3 rounds we don't. 5 + 3p

30 is the overall points he has.

5 + 3p ≥ 30

4 0
3 years ago
WILL GIVE BRAINLIEST AND 20 POINTS
otez555 [7]

Answer:

34 is the angle in the top left       87 is the angle on the top right ans 59 is the angle on the bottom right

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Choose the correct simplification of the expression (b^5)4
tangare [24]

Answer:

b^20

Step-by-step explanation:

when the exponents have one inside and the other outside, they are multiplied.  

8 0
2 years ago
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