Trig ?

Math and Physics Programming

Started by MARS_999 June 05, 2007 04:35 AM

1 comment, last by MARS_999 16 years, 10 months ago

1,627

Author

June 05, 2007 04:35 AM

atan is supposed to be arc tangent correct? Well if I have 15/15 = 1 and atan(1) should = 45. Or tan^-1 on my Ti83+ shows 45 and that is what I am after. Now with my code I get .785??? Any ideas? Thanks

Omid Ghavami

1,007

June 05, 2007 04:40 AM

Quote:Original post by MARS_999
atan is supposed to be arc tangent correct? Well if I have

15/15 = 1 and atan(1) should = 45. Or tan^-1 on my Ti83+ shows 45 and that is what I am after. Now with my code I get .785???

Any ideas?

Thanks

It's in radians. pi / 4 = 0.785. Convert to degrees by (* 180 / pi)

Best regards, Omid

MARS_999

1,627

Author

June 05, 2007 04:46 AM

Quote:Original post by Omid Ghavami
Quote:Original post by MARS_999
atan is supposed to be arc tangent correct? Well if I have

15/15 = 1 and atan(1) should = 45. Or tan^-1 on my Ti83+ shows 45 and that is what I am after. Now with my code I get .785???

Any ideas?

Thanks

It's in radians. pi / 4 = 0.785. Convert to degrees by (* 180 / pi)

Yep, I just figured that out... Thanks anyway.