Math, asked by shobanashankar, 6 months ago

If secx =-2 and π<x<3π/2, then sinx=
A) √3/2
B) √-3/2
C) 1/2
D) -1/2

Answers

Answered by sritarutvik

1

Answer:

- √3/2

Step-by-step explanation:

secx =-2 and π<x<3π/2

x lies in 3rd quadrant

we know sec 60= 2

3rd quadrant sec negative

sec(180+60)= -sec60 = -2

therefore, x=240

sinx= sin(240)=sin(180+60) = -sin60= -√3/2

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