Asked by Theresa

I really need help so please help.

write the first trigonometric function in terms of the second trigonometric function.

sec x; tan x
Answered by John
think of sec x as 1/cos x.
Answered by John
oops i take that back
Answered by John
big hint: sec x is the hypotenuse of a triangle with legs tan x and 1.
Answered by Reiny
from
sin^2 Ø + cos^2 Ø = 1
divide each term by cos^2 Ø

sin^2 Ø/cos^2 Ø + 1 = 1/cos^2 Ø

tan^2 Ø + 1 = sec^2 Ø

sec Ø = √(tan^2 Ø + 1)
Answered by Shayla
Thank you, Reiny! It helped me a lot.
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