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Nata [24]
3 years ago
12

If tan theta= 15/8, then,____. A.sec theta = 17/8 B.cos theta = 15/17 C.cot theta = 8/15 D.csc theta = 17/15

Mathematics
2 answers:
Yuki888 [10]3 years ago
6 0

Answer:

it is A, C and D

Step-by-step explanation:

I just did it, have a good one :)

seraphim [82]3 years ago
3 0
<span>If tan theta= 15/8, then theta is expected that theta is found in the first and third quadrant. the y-component is 15 and the x-component is 8. hence the hypotenuse is 17 from the pythagoren theorem. cos theta thus is equal to 8/17, sec theta is equal to 17/8. csc theta is equal to 17/15. answer are A and D</span>
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Step-by-step explanation:

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3 years ago
Use f(x) = 1/2 x and f -1(x) = 2x to solve the problems. f(2) = 1 f−1(1) = 2 f−1(f(2)) = 2 f−1(−2) = f(−4) = f(f−1(−2)) =
vampirchik [111]

Answer:

In this problem, we are given the following functions:

f(x)=\frac{1}{2}x

and its inverse function:

f^{-1}(x)=2x

First of all, we want to calculate f(2). This can be obtained by substituting

x = 2

into f(x). Doing so, we find:

f(2)=\frac{1}{2}\cdot 2 = 1

Then we want to calculate f^{-1}(1). We can do it by substituting

x = 1

into f^{-1}(x). Doing so,

f^{-1}(1)=2\cdot 1 = 2

Then we want to calculate f^{-1}(f(2)), which can be found by calculating f(2) and then using it as input for f^{-1}(x). We know that

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Then we want to calculate f^{-1}(-2), which can be calculated by plugging

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We know already that

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