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Dima020 [189]
3 years ago
10

Show that point (pi/3,1/2) is on the curve of y=cosx

Mathematics
1 answer:
jarptica [38.1K]3 years ago
6 0
Here y=1/2 x=pi/3=60°

y=cosx
1/2=cos60° and cos60°=1/2
so LHS=RHS

so that point is on curve y=cosx
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In how many distinct ways can the letters of the word mathematics be arranged? (first, does the order matter?)
TEA [102]
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Write the equation of the line given an x -intercept of 10 and y -intercept of 5.
Sergeu [11.5K]

Answer:

y = (-1/2)x + 5

Step-by-step explanation:

As we move from the y-intercept (0, 5) to the x-intercept (10,0), x increases by 10 units while y decreases by 5 units.  Thus, the slope of this line is

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Since we know both the slope and the y-intercept of this line, let's use the slope-intercept form of the equation of a straight line:  y = mx + b.

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8 0
3 years ago
If f(x) = 2x + 3 and g(x) =4x - 1, find f(4).
fomenos

Solve the "f" function with substitute 4 and solve the "g" function with what we get for the "f" function.

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g(19) = 76 - 1

g(19) = 75

Best of Luck!

6 0
3 years ago
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