3 years ago

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

Write as a single power, then<br> evaluate.<br> (3^3)^4

kvasek [131]

Answer:

Step-by-step explanation:

${ ({3}^{3}) }^{4} \\ = {3}^{12} \\ = 3 \times 3 \times 3 \times 3 \times 3 \times 3 \times 3 \times 3 \times 3 \times 3 \times 3 \times 3 \\ = 531441 \\$

8 0

3 years ago

Read 2 more answers

How do you find y-intercept with only slope and on point plz explain too<br> 1,4;slope=-2

Zielflug [23.3K]

Answer:

y= -2x+6

Step-by-step explanation:

use point slope form ----> y-y,=m(x-x,)

(the commas serve as ones)

y-4= -2(x-1)

use distributive property

y-4= -2x+2

add 4 to each side

y= -2x+6

8 0

3 years ago

How to find the complement of a 58 degree angle

Butoxors [25]

Answer:

32°

Step-by-step explanation:

Complementary angles sum to 90°

the complement of 58° is

90° - 58° = 32°

4 0

2 years ago

Read 2 more answers

The sizes of the interior angles of a triangle are in the ratio 1:3:8

dangina [55]

Answer:

3:9:24

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

What is the Gcf of 10 and 6?

Lilit [14]

The GCF of 10 and 6 is 2. May this will help you.

6 0

3 years ago