How do you find the values of the indicated functions?

Given #tan theta =1.036#
Find #sec theta# and #cos theta#

1 Answer
Feb 6, 2018

Use arctan (also written #tan^-1)# to find out what the angle is. Then use that angle as the argument for #sectheta and costheta#.

Explanation:

To demonstrate:
#tan^-1(1.036) = 46.01^@#
Used my TI-30X calculator.

#sec(46.01^@) = 1.44#
Used https://www.rapidtables.com/calc/math/trigonometry-calculator.html

#cos(46.01^@) = 0.694#
Used my TI-30X.

I hope this helps,
Steve