bambamjojojoneoxetct bambamjojojoneoxetct

03-05-2018
Mathematics

contestada

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

Respuesta :

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

Time is measured along the x-axis. What is measured along the y-axis? The business cycle

Please help me with this! If you’re smart you can solve it!

Can you solve this in slope intercept form M= - 2/3; (3, 4)

Will give Brainliest!!Bruno's inability to maintain a typical friendship with Shmuel because of their different backgrounds and situations. What type of conflic

zebra made up of what kind of cells

Help please I beg you ;DDD

This question is more for Government, but Voting is in History so Meh, please help, thank you soooooo much X3If a state has 13 members of the House of Represent

0.87 written as a fraction is _____. 8/9 79/90 81/90

What authority does the Supreme Court have over states?

The electronic configuration of an element is 1s^2 2s^2 2p^6. Hkw many valence electrons does it have