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
Debora [2.8K]
3 years ago
13

Find the exact value of sin 105º.

Mathematics
2 answers:
NARA [144]3 years ago
7 0
Value is 1
(according to my calculator)
Jet001 [13]3 years ago
4 0

Answer:

sin 105 = sin (45 + 60) = sin 45 cos 60 + cos 45 sin 60, or

                                    = (1 / √2)(1 / 2)        + (1 / √2)(√3 / 2)

                                         1 + √3

                                    = -------------

                                           2√2

Step-by-step explanation:

You might be interested in
An equation is shown below: 6x + 2x + 13 = 3x ? 12 Part A: Write the steps you will use to solve the equation. (4 points) Part B
Scilla [17]

Answer:

Part A

Add Like terms

6x + 2x + 13 = 3x - 12

8x + 13 = 3x - 12

get x on the left side

5x + 13 = -12

Subtract 13 from both sides

5x = -13 -12

5x = -25

Divide both sides by 5

x = -5

Step-by-step explanation:


4 0
3 years ago
Read 2 more answers
Which expression is equivalent to 250 + 150 ?
salantis [7]

Answer:

if 25c + 15d = 0, then d = -25/15c

Step-by-step explan

just yes, that

3 0
2 years ago
Read 2 more answers
I need help with 10 11 and 12 PLEASEEEEE
Anit [1.1K]

Answer:

Angle 6 is 42 degrees

Angle Q is 56 degrees

Angle is 74 degrees

Let me know if this helps :)

4 0
3 years ago
How do I solve this one
just olya [345]
6/7Y - 18/28 =-15/14
First, let's get a common denominator
24/28Y - 18/28 =-30/28
Move your terms to isolate Y
24/28Y=-12/28
Multiply by 28 on both sides
24/Y=-12
Times both sides by Y, then divide by -12
24/-12=Y
Simplify
-2=Y

I hope this Helps!
6 0
3 years ago
solve for the value of x will Mark brainious there's two questions left and I appreciate every one of y'all for helping 7x+9 5x+
Bezzdna [24]

Answer:

<h2>x = 14</h2><h2 />

Step-by-step explanation:

7x + 9 + 5x + 3 = 180

7x + 5x = 180 - 3 - 9

12x = 168

x = 168 / 12

x = 14

6 0
3 years ago
Read 2 more answers
Other questions:
  • Chintu and raven build a roccket, which moved from the earth to about 86m into the shy. It tales 3.7 seconds to reach the rocket
    14·1 answer
  • Please help, will mark brainliest
    8·2 answers
  • For a certain commodity the supply equation is given by S = 2p + 5 At a price of $1, there is a demand for 19 units of the commo
    9·1 answer
  • Please help me i really need it
    7·1 answer
  • What is the equation in point slope form of the line that is parallel to the given line and passes through the point (-3,1)
    11·1 answer
  • Hey can someone please check my work? I want to make sure I get it right. Thanks.
    6·1 answer
  • 1. During a field trip, 60 students are put into equal sized groups.
    8·1 answer
  • Please help quick explain
    13·1 answer
  • If the gradient of the tangent to
    5·1 answer
  • Mr. Gray’s quiz was normally distributed with a mean of 25 and a standard deviation of 10 find z- scores for each of the followi
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!