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
Bad White [126]
3 years ago
6

Prove thatsin 75-sin 15=cos 105+cos 15​

Mathematics
2 answers:
Rzqust [24]3 years ago
6 0

Answer:

 

Step-by-step explanation

RHS = cos 105° + cos 15°

         = cos (90° + 15°) + cos (90° – 75°)  

         = – sin 15° + sin 75°

         = sin 75° – sin 15°

          = LHS

BabaBlast [244]3 years ago
4 0

Answer:

Step-by-step explanation:

sin75-sin15

=sin (90-15)-(-cos (90+15))

=cos 15+cos 105

You might be interested in
Aaron has 5 dimes and 2 nickels. how much money does Aaron have?
Doss [256]

Knowing that one dime has a 10 cent value and that a nickle has a 5 cent value, we can use multiplication or addition to find the answer.

5 x 10 = 50   5 dimes together are worth 50 cents.

2 x 5 = 10  2 nickles together are worth 10 cents.

50 + 10 = 60   5 dimes and 2 nickles are worth 60 cents when added together.

ANSWER: Aaron has 60 cents.

7 0
4 years ago
Read 2 more answers
in the equation dy+3x=2, for what value of d is the graph of the equation parallel to the graph of x-3y=0? the y axis?
IRISSAK [1]

Answer:

-9

Step-by-step explanation:

The slope of the the solving equation is triple the slope of the given equation. Therefore, the y coefficient must also be triple of the other y coefficient.

8 0
3 years ago
Would anyone mind helping me
oksian1 [2.3K]

Answer:

29

Step-by-step explanation:

0.11v=3.19

\frac{0.11x}{0.11} =\frac{3.19}{0.11}

Divide:

3.19÷0.11=29

v=29

3 0
3 years ago
Read 2 more answers
Whats the difference of the two expression? (3/7x+9)-(2/7x-3)
Aleksandr-060686 [28]
\left(\frac{3}{7}x+9\right)-\left(\frac{2}{7}x-3\right)\\\\=\frac{3}{7}x+9-\frac{2}{7}x-(-3)\\\\=\frac{3}{7}x+9-\frac{2}{7}x+3\\\\=(\frac{3}{7}x-\frac{2}{7}x)+(9+3)\\\\=\frac{3-2}{7}x+12\\\\=\boxed{\frac{1}{7}x+12}
4 0
4 years ago
Help plz i will give brainliest
jasenka [17]

Answer:

12

(If needed explanation ask in the comments! ty)

Hope This Helps! •v•

6 0
2 years ago
Other questions:
  • Solve for n<br> 2n+3= -3.2
    5·2 answers
  • Write 10 5/12 as an equevilent improper fraction
    7·2 answers
  • According to Pew Research, 64% of American believe that fake news causes a great deal of confusion.Twenty Americans are selected
    6·1 answer
  • What is the value of x?
    8·1 answer
  • X squared -9<br> -------------------<br> 3x+9
    15·1 answer
  • Help!!!! fast!!!!!!!!!!!​
    8·2 answers
  • What is the solution of this equation 4(4x+ 1) = 3x - 4(6 - x) + 8
    6·2 answers
  • Kinsley took out a loan for $2000 with interest rate of 4.8% to pay off the loan in two years she has to make payments of $100 e
    12·1 answer
  • A ​30-inch board is to be cut into three pieces so that the second piece is 4 times as long as the first piece and the third pie
    10·1 answer
  • Help picture below problem 12
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!