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ella [17]
3 years ago
9

Find cos theta, tan theta, and csc theta, where is the angle shown in the figure.

Mathematics
1 answer:
guapka [62]3 years ago
8 0
Remember (Soh) (Cah) (Toa). CSC is just the inverse of sine.

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Which expression is equivalent to 5(2+7)?<br> A. 2(5+7)<br> B. 2+7(5)<br> C. 5(2)+7<br> D. 5(2)+5(7)
Kipish [7]
Hope this helps but I this helps but I think the answer is D if not then try B
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A bag contains 5 grey marbles, 7 striped marbles, and 3 black marbles. If one marble is randomly chose, what is the probability
Anvisha [2.4K]

Answer:

C

Step-by-step explanation:

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2 years ago
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Use Gauss-Jordan elimination to solve the following linear system.
marysya [2.9K]
Just put the coefients in to a matrix

1x-6y-3z=4
-2x+0y-3z=-8
-2x+2y-3z=-14

\left[\begin{array}{ccc}1&-6&-3|4\\-2&0&-3|-8\\-2&2&-3|-14\end{array}\right]
mulstiply 2nd row by -1 and add to 3rd
\left[\begin{array}{ccc}1&-6&-3|4\\-2&0&-3|-8\\0&2&0|-6\end{array}\right]
divde last row by 2
\left[\begin{array}{ccc}1&-6&-3|4\\-2&0&-3|-8\\0&1&0|-3\end{array}\right]
multiply 2rd row by 6 and add to top one
\left[\begin{array}{ccc}1&0&-3|-14\\-2&0&-3|-8\\0&1&0|-3\end{array}\right]
multiply 1st row by -1 and add to 2nd
\left[\begin{array}{ccc}1&0&-3|-14\\-3&0&0|6\\0&1&0|-3\end{array}\right]
divide 2nd row by -3
\left[\begin{array}{ccc}1&0&-3|-14\\1&0&0|-2\\0&1&0|-3\end{array}\right]
mulstiply 2nd row by -1 and add to 1st row
\left[\begin{array}{ccc}0&0&-3|-12\\1&0&0|-2\\0&1&0|-3\end{array}\right]
divide 1st row by -3
\left[\begin{array}{ccc}0&0&1|4\\1&0&0|-2\\0&1&0|-3\end{array}\right]

rerange
\left[\begin{array}{ccc}1&0&0|-2\\0&1&0|-3\\0&0&1| 4\end{array}\right]

x=-2
y=-3
z=4
(x,y,z)
(-2,-3,4)

B is answer
7 0
3 years ago
6c – 7 + d + 4 – 6d combine like terms
kkurt [141]

Answer:

6c-5d-3

Step-by-step explanation:

6c-7+d+4-6d=6c-5d-3

5 0
3 years ago
5 Points
Simora [160]

Answer: the answer is indeed (4,8)

Step-by-step explanation:

4 0
3 years ago
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