tewwify tewwify
  • 16-02-2021
  • Mathematics
contestada

If cos x= sin(20 + x)° and 0° < x < 90°, the value of xis

Respuesta :

nes037 nes037
  • 16-02-2021

Answer:

draw a right angle triangle

Step-by-step explanation:

Let one of the angles be A  

cos A = sin (90-A)  

90 - x - 20 = x  

2x = 70  

x = 35 degrees

Answer Link

Otras preguntas

Name the famous song that paul mccartney played when he auditioned for the quarry men:
This is the last one ....
Tomas works as an underwater photographer. He starts at a position that is 13 feet below sea level. He rises 6 feet, then descends 15 feet to take a photo of a
Help if anyone knows please!
A hypothesis is unrelated to the theoretical framework. a. True b. False
You observe a microbial colony on glycerol yeast agar. this microbe is likely to be
Horizontal lines should be avoided in photographs because they make the photograph appear small.
Cory is a new teacher and has had very little experience writing multiple choice questions. so, on a question asking for the "father of psychology," he listed w
Aaron, korben and zane are preparing to work on a big project for the firm. they meet to decide who is going to complete which tasks of the project. this activi
When compared to generation x, members of generation y are most likely to influence?