bambamjojojoneoxetct
bambamjojojoneoxetct bambamjojojoneoxetct
  • 03-05-2018
  • Mathematics
contestada

What is the value of x?
sin(x+21)°=cos(2x+21)°

Respuesta :

calculista
calculista calculista
  • 17-05-2018
we know that
if sin A=cos B
then
angle A and angle B are complementary angles
so
A+B=90°

in this problem
(x+21)+(2x+21)=90-------> 3x+42=90-------> 3x=48-----> x=16°
Answer Link

Otras preguntas

The teacher is giving you time to watch an online video for a report you have due. You start playing the video, but also listen to some Internet music. Are you
glaciers melting hydrosphere
what is a modernist characteristic of the georges pompidou national center of art and culture by renzo piano and richard rogers? georges pompidou center, cultur
Need it quickly ples
NEED HELP! I am trying to watch disney+ on my school computer and it was working perfectly at home, but at school it is not working. The wifi is good so I don't
Gilded Age and Progressive DBQ Two problems during the gilded age were corruption and working conditions. The gilded age had dangerous working conditions accord
your patient has been injured by a fall down a flight of steps. he is alert and oriented but complains of back and neck pain. you immobilize him on a long spine
avantika works in the finance department for her company and is preparing a budget for the next 12 months. she has been doing research to determine prices for e
what would be the effect on the melting point of a sample if it were not dried completely after filtering the recrystallized sample?
A car traveled 360 miles in 4 hours. How far will the car travel in 9 hours?