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Lana71 [14]
3 years ago
15

I dont understand how to find cot, sec, and csc

Mathematics
1 answer:
tester [92]3 years ago
8 0

Answer:

Step-by-step explanation:

You just have to take the inverse:

csc θ = 1 / sin θ

sec θ = 1 / cos θ

cot θ = 1 / tan θ

For example:

(a) sin θ = 3/5

cos θ = 4/5

tan θ = 3/4

csc θ = 1 / sin θ = 1 / (3/5) = 5/3

sec θ = 1 / cos θ = 1 / (4/5) = 5/4

cot θ = 1 / tan θ = 1 / (3/4) = 4/3

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uit is the mixed number of decimal point

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which equation represents the line that passes through the point (-2,2) and is parallel to y=1/2x + 8
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5 0
3 years ago
1. The midpoint of KL is M(5, -7). One endpoint is K(9,-7). Find the coordinates of the other endpoint L.
kirill115 [55]

Answer:

L (1, - 7 )

Step-by-step explanation:

give endpoints (x₁, y₁ ( and (x₂, y₂ )  then the midpoint is

( \frac{x_{1}+x_{2}  }{2} , \frac{y_{1}+y_{2}  }{2} )

here (x₁, y₁ ) = K (9, - 7 ) and (x₂, y₂ ) = L (x, y )

use the midpoint formula and equate to corresponding coordinates of M

\frac{9+x}{2} = 5 ( multiply both sides by 2 to clear the fraction )

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x = 1

and

\frac{-7+y}{2} = - 7 ( multiply both sides by 2 )

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8 0
1 year ago
Find the linearization L(x) of the function at a. f(x) = x^4 + 2x^2, a = 1
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The derivative is ...

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so the slope of the tangent line is f'(1) = 4+4 = 8.

The value of the function at x=1 is

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... L(x) = 8(x -1) +3

or

... L(x) = 8x -5

8 0
3 years ago
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