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OverLord2011 [107]
3 years ago
6

Prove the identity. TT sin x + 2. cotx sin (-x)

Mathematics
2 answers:
saveliy_v [14]3 years ago
7 0

Answer:

Hi... Do this for prove that

ozzi3 years ago
4 0

Answer:

Step-by-step explanation:

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Find the perimeter and area of the shaded region.
AysviL [449]

Answer:

Area=576 cm²

Perimeter=123.4 cm

Step-by-step explanation:

We have to assume that ABCD would form a square and not a rectangle.  If so, the area is simple:  24x24=576 (Just picture the half circle sliding into the empty space - it’s the same area.)

For the perimeter, we find it for the half circle first. 1/2(2)\pi(12)=37.7

Then add the top and bottom (24 and 24) to the left and right (37.7 And 37.7)

24+24+37.7+37.7=123.4

3 0
3 years ago
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Which of the following expenses is not a fixed cost?
Luda [366]

Answer:

b.

packaging costs

Step-by-step explanation:

8 0
3 years ago
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Given: DE || BC. Find the measure of AED in the triangle AED.​
gtnhenbr [62]

Answer:

<AED = 60

Step-by-step explanation:

Since triangle ADE is similar to triangle ABC

Angle ADE equals angle ADC

The angles of a triangle add to 180 degrees

<A + <ADE + <AED = 180

36 + 84+ <AED = 180

Combine like terms

120 + <AED = 180

Subtract 120 from each side

120-120 +<AED = 180-120

<AED = 60

7 0
3 years ago
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In ΔJKL, the measure of ∠L=90°, KJ = 41, JL = 40, and LK = 9. What ratio represents the cosine of ∠J?
Katen [24]
1 because if you were to get h rn e measure of the problem right here it would be a cosine of 1
4 0
3 years ago
HELP PLEASE ASAP!!! Khan Academy unit test!
dsp73

Answer:

As=0.13

Step-by-step explanation:

If we have central angle we use this rule to find area of sector :

As=\pi r^{2}(\frac{C}{360})

C is central angle. r is radius.

As=\pi *9*\frac{\frac{9\pi }{17} }{360} =\\\\As=\pi *9*\frac{9\pi }{17*360} =\\\\

Evaluate :

\frac{798.63}{6120}=0.13

4 0
3 years ago
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