Ask your own question, for FREE!
Mathematics 14 Online
OpenStudy (aripotta):

please help me understand sine, cosine, tangent, cosecant, secant, and cotangent. i'm really confused. i know the ratios and stuff, but i don't understand how to do it on a calculator...my course says that cos 65 is 0.4226182617, but my calculator is getting -0.56245385123?

OpenStudy (aripotta):

OpenStudy (aripotta):

OpenStudy (aripotta):

@nincompoop help! :c

OpenStudy (anonymous):

check for whether ur calc is in degree or radian mode?

OpenStudy (aripotta):

i used google's scientific calculator...how do i check that?

OpenStudy (aripotta):

oh wait! i got it, thanks :)

OpenStudy (aripotta):

sorry about that, guys lol. i feel stupid :l

OpenStudy (anonymous):

:) let me see..I never used google scientific calc

OpenStudy (anonymous):

hey...it's fine..:) u need not to feel stupid for this.

OpenStudy (aripotta):

the top left-hand corner is where you can switch it, thanks for telling me about it!

OpenStudy (anonymous):

:)

OpenStudy (aripotta):

nope, i'm good. thanks :)

OpenStudy (aripotta):

how do you know when to use degree or radian mode?

OpenStudy (aripotta):

but i got two totally different answers

OpenStudy (aripotta):

idunno. that link you sent me days ago?

OpenStudy (aripotta):

what's the pre-cal ebook?

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!