when does sec2x equal 4?
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when does sec2x equal 4?
Take the square root of both sides, then write in terms of cosine if that helps. What do you find?
pi/3... 2pi/3... 4pi/3... 5pi/3
Yes, assuming we are given.
or plus 2npi for each if not given that interval?Quote:
Originally Posted by MarkFL2
Yes, assuming we are given
We could shorten it since the 1st quadrant solution and the 3rd quadrant solutions differ by, likewise for the 2nd and 4th quadrant roots, and so we could state:
where
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The best answerQuote:
Originally Posted by MarkFL2We could shorten it since the 1st quadrant solution and the 3rd quadrant solutions differ by