What is #Arctan (-3/4 ) #?

1 Answer
Write your answer here...
Start with a one sentence answer
Then teach the underlying concepts
Don't copy without citing sources
preview
?

Answer

Write a one sentence answer...

Answer:

Explanation

Explain in detail...

Explanation:

I want someone to double check my answer

Describe your changes (optional) 200

1
Jul 11, 2015

Answer:

#arctan(-3/4) ~= -0.6435 # (radians)# ~= -36.87^o#

Explanation:

Consider a 3-4-5 triangle. Let #alpha# designate the smallest angle in this triangle.

Then:
#arctan(-3/4) = -alpha#

There is no nice expression for #alpha# as a multiple of #pi# or number of degrees.

Was this helpful? Let the contributor know!
1500
Trending questions
Impact of this question
1154 views around the world
You can reuse this answer
Creative Commons License