If ? is an acute angle find the value of Cos ? in the panating: 4 Sin2?-5 Cos ?+2=0

      

If θ is an acute angle find the value of Cos θ in the panating:
4 Sin2θ-5 Cos θ+2=0

  

Answers


Kavungya
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Kavungya answered the question on September 20, 2019 at 06:02


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