1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ivahew [28]
2 years ago
14

Prove this:cot 75° + cot 15°=4​

Social Studies
1 answer:
sashaice [31]2 years ago
6 0

Answer:

tan75 {}^{0}  = 2 +  \sqrt{3}

tan \: 15 {}^{0}  = 2 -  \sqrt{3}

=> cot 75⁰ + cot 15⁰

= cot(90⁰ - 15⁰) + cot(90⁰ - 75⁰)

= tan 15⁰ + tan 75⁰

=

2 +  \sqrt{3}  + 2 -  \sqrt{3}  = 4

(proven)

You might be interested in
If you were an American Indian warrior, why might you not care whether your colonial opponents were soldiers or civilians?
DanielleElmas [232]

the answer is B because it makes the most sense



5 0
3 years ago
Which of these is a reason why many Americans are non-voters?
Bumek [7]

Answer:

C

Explanation:

6 0
3 years ago
What percentage of South Sudan’s population have been displaced
alex41 [277]

Answer:

more than 4 million people

Explanation:

displaced because of conflict and hunger, including 2.2 million who have fled to neighboring countries since December 2013. Uganda hosts almost 800,000 refugees from South Sudan, down from more than 1 million in mid-2018.

7 0
3 years ago
Read 2 more answers
A minor (under 21 years old) has the same legal (bac) limit as an adult. a. true b. false
Butoxors [25]

A minor (under 21 years old) has the same legal (bac) limit as an adult.

The answer is false .

According to driving legislation, a "minor" is someone under the age of 21. Alcoholic beverages may not be bought, attempted to be bought, consumed, or owned by minors.

Driving under the Influence of alcohol by a minor is a crime if a minor is operating a vehicle on a public street with any measurable level of alcohol in their system (DUIA by a Minor).

Minors are excluded from the 0.08% BAC legal limit of intoxication. Driving privileges are suspended for the same amount of time if the minor does not have a driver's license.

To learn more about  BAC   click here:

brainly.com/question/143228878

#SPJ4

8 0
1 year ago
Recognition requires one to memorize information for a second time <br> True <br> False
pentagon [3]
False, because it doesn’t requires one it requires more than one to memorize for a second time.
8 0
2 years ago
Read 2 more answers
Other questions:
  • A researcher reports that there is no consistent relationship between grade point average and the number of hours spent studying
    14·1 answer
  • What was the connection between the renewed interest in learning in europe and islam
    15·1 answer
  • A research paper arguing in favor of hand-gun control is
    15·2 answers
  • Plaintiff sued a National Football League team, alleging that she had been sexually assaulted by several team members in a hotel
    14·1 answer
  • We started with about 5,000 head of cattle, and arrived with over 10,000; of course, consuming mostly turkeys, chickens, sheep,
    13·1 answer
  • Can you help me with this...tysm!
    5·2 answers
  • The Black Death, the Black Plague, and the Bubonic Plague all have to deal with
    14·2 answers
  • Describe Henry the navigator's role in early exploration​
    15·1 answer
  • Is life a simulation or am i bugging
    14·2 answers
  • Which religion was successfully introduced to china primarily by means of the silk road?.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!