3 years ago

Which of the following equals cos 80°A) sin 20°B) sin 100°c) sin 10°D) sin 80°

Mathematics

1 answer:

astraxan [27]3 years ago

6 0

Answer:

Step-by-step explanation:

Using the Cofunction identity

sin(90 - x)° = cos x°, hence

cos80° = sin(90 - 80)° = sin10° → C

You might be interested in

A federal income tax exists to provide revenue for

djverab [1.8K]

Answer:

schools and other services

4 0

2 years ago

Read 2 more answers

What is 32% of 60? (Show work)

quester [9]

$= 60 \times \frac{32}{100 } \\ = 6 \times \frac{32}{10} \\ = \frac{96}{5} \\ = 19.2$

3 0

2 years ago

Need help ASAP!!!!!!!

Temka [501]

Step-by-step explanation:

2/6 is litterally right there cause it has seven lines and tge 0 doesnt count

3 0

2 years ago

The area of a rectangular of length L width W is given by the formula A =LW. Ann's backyard is rectangular with a length of 27.6

marta [7]

300.84m^2

First, set up the equation

A=27.6•10.9

Next, multiply(use a calculator)

And you get the answer.

^2 means squared.

3 0

2 years ago

How many 6 oz servings are in a 1.125-quart pitcher of lemonade? There are servings. Enter an integer or decimal number[more..]

suter [353]

Answer:

Step-by-step explanation:

1 qt = 4 cups

1 cup = 8 fl oz

1.125 qt * (4 cups)/(1 qt) * (8 fl oz)/(1 cup) = 36 fl oz

(36 fl oz)/(6 fl oz) = 6

Answer: 6 servings

5 0

2 years ago

Which of the following equals cos 80°A) sin 20°B) sin 100°c) sin 10°D) sin 80°​

Which of the following equals cos 80°A) sin 20°B) sin 100°c) sin 10°D) sin 80°