How do you find the values of the indicated functions?

Question

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

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Answer 1 · 2018-02-06T00:16:54

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

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

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

I hope this helps,
Steve