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-   -   Verify identity (https://www.askmehelpdesk.com/showthread.php?t=659813)

  • May 12, 2012, 09:27 PM
    crmedina23
    verify identity
    (sec x+tan x)/(sec x-tan x)=(sinx+1)^2/(cos^2x)
  • May 13, 2012, 06:49 PM
    ebaines
    Quote:
    Originally Posted by crmedina23 View Post
    (sec x+tan x)/(sec x-tan x)=(sinx+1)^2/(cos^2x)
    Hint: convert the sec x and tan x functions to their sine and cosine equivalents. Then simplify by mulytiplying numerator and denominator by cosx. Then finally multiply numerator and denominato by (1+sinx).

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