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
Art [367]
3 years ago
9

Find the values of the six trigonometric functions of an angle in standard position if the point with coordinates (12,5) lies on

its
terminal side.
Mathematics
1 answer:
anastassius [24]3 years ago
6 0
Find the values of the six t
You might be interested in
Please help me with this
ladessa [460]

Answer:

A) There would be less food.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
mf help please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Andrej [43]

Answer:

Your answer is A.

Hope this helps!

Step-by-step explanation:

Line r's equation is

y = - 4/3x - 4

And Line s's equation is

y = 2/5x - 2

4 0
2 years ago
1 David buys 4 kg of apples from the supermarket for £1.60.
liberstina [14]

Answer:

£ 2.8

Step-by-step explanation:

4 kg = 1.60

1 kg= 1.6/4 = £0.4

7 kg = 0.4*7 = £2.8

4 0
3 years ago
What is the area of an acute angle​
snow_lady [41]
The acute angle inside the triangle is 57 degrees. The one labeled “1” is 123 degrees.
7 0
3 years ago
Read 2 more answers
i have been trying to solve this compound and double angle question please help me find the answer to these question guys​
natali 33 [55]

Answer:

These type of questions are super tricky b/c you have to remember all the different versions of the identities, and then they put the question in some odd form,  I feel like this should land math professors in jail , for dishonesty , b/c it's really a form of "how tricky can I make a question and still have a way to solve it"   anyway,

Step-by-step explanation:

a)

next the question asks   1-cos 2A   and this is total abuse of notation.   the way this should be written is   1- cos( 2A)  so we know that the A is part of the cosine functions input... btw.. in any computer program,  it would never ever let you get away with that top form of the expression.  :/   anyway... I keep ranting.. huh... sorry  :P

1-cos(2A) is an odd form of the identity  1/2(1-cos(2A) = sin^{2}(A)  the 1/2 is missing but we can add that pretty easy, we just have to remember to take it out too. I usually forget to do that. and my professor marks me off completely,  totally wrong, but I just miss one small thing  :/  anyway....

our 1-cos(2A) needs the 1/2 added to it.  or if we move that 1/2 to the other side it looks like  2*sin^{2}(A)  = 1-cos(2A)  and this is that "odd" from of the identity that I was talking about.  

next let's deal with sin(2A)  it has an identity of  2 sin(A)cos(A) which is really nice for us b/c it will cancel out the 2 in then numerator for us, nice !

now our fraction looks like  [2* sin^{2}(A)] / 2 sin(A)cos(A)

so cancel out one of the sines

2*sin(A) / 2 cos(A)

cancel the 2s

Sin(A) / Cos(A) = Tan(A)

nice  it worked out  :P

b)

by the above that we just worked out, then

Tan(15) = Sin(15) / Cos(15)

I had to look up what sin of 15 is b/c it's not one of those special angles but it does have an exact form of

Sin(15) = (√3 - 1) / 2√2

Cos(A) = (√3 + 1) / 2√2

you can use rule of Cos(A-B) = Cos(A)Cos(B)+Sin(A)Sin(B) to get the above and a similar rule for Sin(A-B)

back to our problem,  the 2√2 will cancel out

then we have

Tan(15) =  (√3 - 1) /(√3 + 1)

in the form that is above that's exact, the roots could be approximated but i'll just leave that in the form that is exact.  Most math professors like that form.  

 

4 0
2 years ago
Other questions:
  • Which of the following equations have the correct notation?
    8·1 answer
  • The annual interest rate of Mike's savings account is 4.8%, and simple interest is calculated monthly. What is the periodic inte
    15·2 answers
  • Please help!!!<br><br> This is my measurement homework
    11·1 answer
  • Factor sec^2x-secx+tan^2x
    10·1 answer
  • A’’ =<br> B’’ =<br> C’’ =<br> D’’ =<br> ???
    7·1 answer
  • Mr. Lowery has 8 3/4 pounds of ground beef that he will use to make hamburgers for a picnic. What is the maximum number of quart
    12·1 answer
  • Which expression is equivalent to the following complex fraction?
    11·1 answer
  • A 3rd degree polynomial function whose graph crosses the horizontal axis more than once.
    14·1 answer
  • Help with this question
    14·2 answers
  • 2 dogs, 4 horses 1 giraffe and a duck are lying on the bed. 3 chickens are flying over a chair. How many legs are on the ground?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!