Asked by Renee ( PLEASE HELP ME)
Half angles in trig
(square root(1-square root(21)/5)/2)
(square root(1-square root(21)/5)/2)
Answers
Answered by
Steve
√(1-√21/5)/2)
This is sin x/2 where cosx = √21/5
the value is
This is sin x/2 where cosx = √21/5
the value is
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