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lubasha [3.4K]
2 years ago
9

Please help! will mark brainliest.

Mathematics
1 answer:
Eddi Din [679]2 years ago
6 0

Answer:

16

Step-by-step explanation:

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Determine the quadrant when the terminal side of the angle lies according to the following conditions: cos (t) < 0, csc (t) &
Bess [88]

Answer:

The angle is in the second quadrant.

Step-by-step explanation:

The cosecant of an angle is the same as the reciprocal of the sine of that angle. In other words, as long as \sin (t) \ne 0,

\displaystyle \csc t = \frac{1}{\sin t}.

Therefore, \csc(t) > 0 is equivalent to \sin (t) > 0.

Consider a unit circle centered at the origin. If the terminal side of angle t intersects the unit circle at point (x,\, y), then

  • \cos (t) = x, and
  • \sin(t) = y.

For angle t,

  • x = \cos(t) < 0, meaning that the intersection is to the left of the y-axis.
  • y = \sin(t) > 0, meaning that the intersection is above the x-axis.

In other words, this intersection is above and to the left of the origin. That corresponds to second quadrant of the cartesian plane.

6 0
2 years ago
Hello - I have one last question that I think you might be able to help me with. Thanks~
Nata [24]
Let slant height be s
Height = 38yd. = h
Side = 42yd. = a

S² = h² + (a/2)²
= 38² + 21²
= 1444 + 441
= 1885
S = √1885
S = 43.42yd.

Lateral area = 1/2 × 4a × s
= 2 × 42 × 43.42
= 3646.99
= 3647 yd.²
7 0
3 years ago
Read 2 more answers
A 13 foot board is cut into 2 pieces, if one piece is x feet long express the other length in terms x
pychu [463]

Answer:

if they are equal then it would be 6.5

7 0
2 years ago
I am supposed to be learning pie is there any good method for remembering it ​
KiRa [710]

Answer:

there is a video called the pi song

just basic value is 22/7 or 3.14

3 0
3 years ago
A 10-foot ladder is leaning against a tree. The bottom of the ladder is 4 feet away from the bottom of the tree.
Alchen [17]
10^2 -4^2 = x^2
100 -16 = x^2
84= x^2
Find the square root of 84 which is approximately 9.2
The answer is 9.2
5 0
3 years ago
Read 2 more answers
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