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EleoNora [17]
3 years ago
5

What’s the exact value of Cos(127.5)? Using trig identities like half angle and PLEASE EXPLAIN

Mathematics
1 answer:
vlada-n [284]3 years ago
8 0

Answer:

−0.608761429

Step-by-step explanation:

use the pathagreom theorem if you have two sides subtract that from 180

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Help with my math READ IT CARFULLY
Irina-Kira [14]

Sci = π . 2 . 2 = 12,56 ⇒ 1/2 Sc1 = 1/2 . 12,56 = 6,28

Srec = 6 . 4 = 24

S= 6,28 + 24 = 30,28

the answer is 30,28

ok done. Thank to me :>

8 0
2 years ago
Is a number of television in a household a discrete quantitative or continuous quantitative
mezya [45]

discrete, you cannot have 1.5 televisions

generally the number of X is a discrete variable.

continous = can contain decimal value  (float values)

discrete = no decimal  (integers)

7 0
3 years ago
What is the point-slope form for the line passing through (3, -6) and (-1, 2)
Leto [7]

Answer:

y-2 = -2(x+1)

Step-by-step explanation:

Find the slope(m) first using the two points  (3, -6) and (-1, 2).

Slope: -2

Next, plug in x₁ and y₁. I plugged in (-1, 2)

5 0
3 years ago
HELP ASAP PLEASE!!!!!
Bond [772]

Answer:

option 4

Step-by-step explanation:

5 0
3 years ago
How do you find the measure of ECF?
tigry1 [53]

Answer:

37°

Step-by-step explanation:

∠ECF= ∠ACG

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