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3 years ago

What is the limit of cosine as x approaches infinity?

1 answer:

6 0

Does not exist, since the graph of cosine is continuous between the intervals [-1,1]. You do not know where it will be when it “reaches” infinity

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If two angles have the same measure, then they are right angles true or false

spin [16.1K]

Answer:

False

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

If sin42 degrees = 2/3 then cos48 degrees = what? If tan20.5= 3/8, the tan69.5= what?

Anna11 [10]

Big ifs, question writers. These are of course approximations.

The "co" in cosine comes from complementary angles. It means since

$42^\circ + 48 ^\circ = 90^\circ$

$\sin 42^\circ = \cos 48^\circ$

Answer: cos 48° = 2/3

Similarly,

$20.5^\circ +69.5^\circ = 90^\circ$

$\tan 69.5^\circ = \cot 20.5^\circ = \dfrac{1}{\tan 20.5^\circ} = \dfrac 8 3$

Answer: tan 69.5° = 8/3

5 0

3 years ago

400 >

In-s [12.5K]

For this case we have by definition of trigonometric relations of rectangular triangles that, the sine of an angle is given by the opposite leg to the angle on the hypotenuse of the triangle. Then according to the figure we have:

$Sin (40) = \frac {CA} {7}$

We cleared CA:

$AC = 7 * Sin (40)$

Answer:

Option A

7 0

3 years ago

The absolute value of 64

Keith_Richards [23]

Answer:

Step-by-step explanation:

the absolute value is how many numbers it is from zero and will always be positive

6 0

3 years ago

If you eat 4 medium strawberries you get 48%of your daily reccomended amount of vitiman c what fraction of your daily amount of

Nady [450]

4 medium strawberries→ 48% of your daily recommend amount of vitamin c
x medium strawberries→100% of your daily recommend amount of vitamin c
4:48=x:100⇒48x=100*4
48x=400
x=8.33
8.33-4=4.33
4 and 1/3 of medium strawberries you still need for your your daily recommend amount of vitamin c.

6 0

3 years ago