Ifis acute and , then find the value of
Last edited by niharika_kumar (2014-01-25 21:06:28)
friendship is tan 90°.
You can use these trig formulas:
But first you'll need cos beta
Oh yes , and one more thing ... x5 and /5 so that you make fractions thus: 3/5 and 4/5.
Now to look at the second one.
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