Asked by mike
how to figure out:
sec squared x = 1/10
sec squared x = 1/10
Answers
Answered by
Reiny
what are you "figuring out" ?
are you solving for x ?
sec^2 x = 1/10
cos^2 x = 10
cosx = ± √10
which is > 1 or < -1
but the cosine of any angle has to be between -1 and +1, so
there is no solution.
are you solving for x ?
sec^2 x = 1/10
cos^2 x = 10
cosx = ± √10
which is > 1 or < -1
but the cosine of any angle has to be between -1 and +1, so
there is no solution.
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