if-teta-tan-1-7-then-sec-teta-is-

Question Number 78887 by gopikrishnan last updated on 21/Jan/20

i f t e t a = \tan^{- 1} (7) t h e n \sec t e t a i s

Commented by jagoll last updated on 21/Jan/20

\tan (θ) = 7

you need \sec (θ)

\sec (θ) = \pm \sqrt{1 + \tan^{2} (θ)}

Commented by jagoll last updated on 21/Jan/20

\sec (θ) = \pm 5 \sqrt{2}

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