Question

If tan = 5 ,where is an acute angle, find sec using the identity.​

Answer 1

Answer:

${ \sec}^{2} x - { \tan}^{2} x = 1 \\ { \sec}^{2} x - {5}^{2} = 1 \\ { \sec}^{2}x - 25 = 1 \\ { \sec}^{2} x = 26 \\ \sec(x) = \sqrt{26}$

√26 is the right answer.

Answer 2

Answer:

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