Asked by charlotte
If cos A=1/3 and tan A<0,determine the value of 2sin A+tan A without the use of a calculator
Answers
Answered by
Steve
we are in QIV, so sinA = -√8/3
Now just plug in the values for sinA and cosA to evaluate your expression.
Now just plug in the values for sinA and cosA to evaluate your expression.
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