Asked by Kevin
solve tan2x = -28/45
Thank you
Thank you
Answers
Answered by
Steve
well, what's arctan(-28/45?)
-31.9 degrees.
So, That's 2x
You didn't specify quadrant, but tan x is negative in QII and QIV
-31.9 degrees.
So, That's 2x
You didn't specify quadrant, but tan x is negative in QII and QIV
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