aaa8145 aaa8145

12-11-2019
Mathematics

contestada

[tex] \cos( \alpha + \frac{\pi}{2} ) = - \sin( \alpha ) [/tex]
why is it equal

Respuesta :

xLightx xLightx

12-11-2019

[tex]

\cos (\alpha +\frac{\pi}{2})= \cos(\frac{\pi}{2})\cos (\alpha)- \sin(\frac{\pi}{2})\sin(\alpha)\\

=0-\sin(\alpha)\\

=-\sin (\alpha)[/tex]

Answer Link

Otras preguntas

How would europeans and westerners feel after reading what josiah strong wrote?

When you drink, you're more likely to overestimate __________ ?

What happens to the cftr gene in individuals who have cystic fibrosis?

In Shakespeare’s time, there were very definite ideas about how men and women differed. In Macbeth, Shakespeare suggests that violence is a more inherently male

What was a direct result of the trans Atlantic slave trade on African cultures

what Forms include compromise, truce, or mediation?

If you put a coin in a bottle and then stop the opening with a cork. how can you get the coin out of the bottle without pulling out the cork or breaking the bot

Which of the following are the names of other conflicts where native Americans were massacred by US soldiers ? A.Broken Arrow and Wooden Grove B.Red Cloud and

Calculate %ic of the interatomic bonds for the intermetallic compound al6mn.

what were the effects of westward expansion on American society?