Slumperr Slumperr

03-05-2020
Mathematics

contestada

For what value of x is sin x = cos 19º, where 0°< x < 90°?

Respuesta :

sqdancefan sqdancefan

03-05-2020

Answer:

71°

Step-by-step explanation:

The cosine of an angle is equal to the sine of its complement:

cos(19°) = sin(90° -19°) = sin(71°)

Comparing to the given expression, we see that x = 71°.

Answer Link

Otras preguntas

Write a definition of rounding in your own words???

Which sentence contains correctly punctuated items in a series? A. Our family has lived in Seattle; Washington; San Francisco; California; and Las Vegas; Nevad

Which word or words and punctuation best corrects any errors in the sentence? Watch for the stop sign this intersection is dangerous! A. sign- B. sign, C.

Which of the following fractions is not equivalent to 8/22 ? A.4/11 B.2/5 C.12/33 D.16/44

Which form of the modifier correctly completes the sentence? Jason accepted his award __________ than the other winner. A. most graciously B. graciously C.

Which measurement is equivalent to 5 quarts? 25 cups 40 fl. oz. 10 pints 1.5 gallons

6. Which of the following options is used to view a computer's memory properties?

Ramona is playing a board game and rolls two number cubes. Let A = {the sum of the number cubes is odd} and let B = {the sum of the number cubes is divisible by

Find the sum using fraction bars or a paper and pencil. Write your answer in simplest form. 1/3 + 1/4

A series circuit has a lamp, a battery, an ammeter and a switch. What would the ammeter read