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If sin θ = -4/5 and θ lies in third quadrant then the value of cosθ/2 is

If sin θ = -4/5 and θ lies in third quadrant then the value of cosθ/2 is

(A)1/5 

(B) -1/√10 

(C) -1/√5 

(D)1/√10

Monjur Alahi
Monjur Alahi
4 views
2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar
Salim Ahmed Kawsar

Answer is (C) -1/√5 

4 views Answered 2023-02-05 15:29

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