Thursday
March 23, 2017

Post a New Question

Posted by on Friday, April 30, 2010 at 6:40pm.

I really need help so please help.

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

sec x; tan x

  • Trig. - , Friday, April 30, 2010 at 6:43pm

    think of sec x as 1/cos x.

  • Trig. - , Friday, April 30, 2010 at 6:45pm

    oops i take that back

  • Trig. - , Friday, April 30, 2010 at 6:46pm

    big hint: sec x is the hypotenuse of a triangle with legs tan x and 1.

  • Trig. - , Friday, April 30, 2010 at 8:09pm

    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)

  • Trig. - , Saturday, May 1, 2010 at 1:33am

    Thank you, Reiny! It helped me a lot.

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question