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Lesechka [4]
3 years ago
15

Value of Trig functions questions

Mathematics
1 answer:
77julia77 [94]3 years ago
4 0
In the given quadrant, sine and cosine are negative and tangent is positive.

cos(θ) = -√(1 - (-5/8)²) = (-√39)/8

tan(θ) = sin(θ)/cos(θ) = 5/√39 = (5√39)/39

csc(θ) = 1/sin(θ) = -8/5

sec(θ) = 1/cos(θ) = -8/√39 = (-8√39)/39

cot(θ) = 1/tan(θ) = (√39)/5
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Anyone know how do do this?​
Makovka662 [10]

Answer:

Step-by-step explanation:

A relation is a function if there are no shared x values.  If you look at the y-axis where x = 0, you can see that there are 2 coordinates that share that x value:

(0, -1) and (0, 3).  Because the x value in both those coordinates is the exact same number, this is NOT a function, merely a relation.  ALL functions are relations, but not all relations are functions.

The domain asks for all the included x values.  It goes from the lowest x value to the highest x value.  Our lowest x value is -4 and the function stops at an x value of 4.  So the domain is

D = {x | -4 ≤ x ≤ 4}

The range goes from the lowest y value to the highest y value.  Our lowest y value is -2 and the highest y value is 4.  So the range is

R = { y | -2 ≤ y ≤ 4}

That straight line that comes after the first x and y is the line that translates to "such that".  In words, our domain reads "x such that x is greater than or equal to -4 and less than or equal to 4" and the range reads "y such that y is greater than or equal to -2 and less than or equal to 4".

7 0
3 years ago
1. (4,-3);(5,0)
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Chen check the temperature at Dawn and at dusk every day for a week for a science project. How many observations does he make?
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Chen checked the temperature 14 times at dawn and at dusk
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4 years ago
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My number A is 24.
slavikrds [6]

Answer:

24

Step-by-step explanation:

LCM=24

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Therefore B=24

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Answer:

35

Step-by-step explanation:

70/2 is 35 therefore there is 35 students per teacher. Please mark brainliest

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