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notsponge [240]
3 years ago
8

How do i establish this identity?

Mathematics
1 answer:
katovenus [111]3 years ago
6 0

<u>RHS</u>

\\ \sf\longmapsto  \frac{2 \tan( \theta) }{ \sin(2 \theta) }  \\ \\ \sf\longmapsto  \frac{ \frac{2 \sin( \theta) }{2 \cos( \theta) } }{ \sin(2 \theta) }  \\ \\ \sf\longmapsto  \frac{1}{ \cos {}^{2} ( \theta) }  \\ \\ \sf\longmapsto  {sec}^{2}  \theta

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NikAS [45]
Im pretty sure its D
3 0
3 years ago
A 6am one morning the temperature was -14 degrees by noon it rose 8 degrees and then rose another 2 degrees by 3pm. By 6pm the t
valentina_108 [34]

Answer:

-9 degrees

Step-by-step explanation:

-14 + 8 = -6

-6 + 2 = -4

-4 - 5 = -9

3 0
2 years ago
Find the measure of angel 3
Elena-2011 [213]

Answer:

100

Step-by-step explanation:

Remark

If two opposite arcs are given by being opposite vertically opposite angles, then the value of both the vertically opposite angles are equal to

Vertically opposite angle = 1/2 (arc1 + arc2)

Givens

Arc1 = 60

Arc2 = 100

Solution

The red dot angle = 1/2 (60 + 100)

The red dot angle = 1/2(160)

The red dot angle = 80

Because the red dot angle and <3 are on the same line with the same common point, they are supplementary.

<3 and red dot = 180

<3 + 80 = 180                          Subtract 80 from both sides

<3 = 180 - 80

<3 = 100

8 0
3 years ago
Find the length of the missing side (nearest tenth).<br> 17 in<br> 8 in
Blababa [14]

Answer:

Step-by-step explanation:

right triangle, so  use the Pythagorean Theorem.

call the missing side c

17² + 8² = c²

353 = c²

c = √353 ≅ 18.8 in

6 0
3 years ago
PLEASE ANSWER THIS ASAP!!!!
Anit [1.1K]

Answer:

82 units

Step-by-step explanation:

7 x 3 = 21

21 x 2 = 42

7 x 2 = 14

14 x 2 = 28

2 x 3 = 6

6 x 2 = 12

42 + 28 + 12 = 82

7 0
3 years ago
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