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dalvyx [7]
3 years ago
15

If tan⁡ x=−15/8, and 3π/2 < x < 2π, find cos⁡(x−π/4).

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
6 0

Answer:

cos (x)=8/17

Step-by-step explanation:

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Travka [436]

Answer:

if sin (x-3) degrees = cos (2x+6) degrees, find the value of x.

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Note: sin and cos are complementary functions....

sin(x) = cos (90-x)

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Your Problem:

sin(x-3) = cos(90-(x-3))

Equation:

90-[x-3] = 2x+6

90-x+3 = 2x+6

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Step-by-step explanation:

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Find the slope of the line please help
Ne4ueva [31]

Answer:

0

Step-by-step explanation:

Plug 2 points into the equation y2-y1/x2-x1. In this case, I picked (0,-1) and (1,-1). This will make the equation -1--1/1-0. Simplify this to get 0/1 which is equal to 0. Therefore, the slope is 0.

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Discrete or Continuous? Identify the random variables in Exercises 2, 3, 4, 5, 6, 7, 8, 9, 10, and 11 as either discrete or cont
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Answer:

Discrete variable        

Step-by-step explanation:

We are given the following in the question:

Variable:

Total number of points scored in a football game

Discrete and continuous data:

  • Discrete data is the data that can be expressed in whole numbers. They cannot take all the values within an interval.
  • Discrete variables are usually counted and not measured.
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Since, total number of points score in a foot game are expressed in whole numbers and cannot be expressed in decimals, they are discrete variable. They cannot take all the values within an interval and they are usually counted.

Thus,

Total number of points scored in a football game is a discrete variable.

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3 years ago
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