Please help?

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1 Answer
Sunayan S
Feb 13, 2018

See the answer below...

Explanation:

graph{3x+4y=0 [-10, 10, -5, 5]}
This graph is our reference as we has point #(-4,3)#

  • Let's, #color(green)(sintheta=y/z" "&" "costheta=x/z" "#where #color(brown)(z=sqrt(x^2+y^2#

  • As per image, #color(red)(x=-4" "&" "y=3#

  • So, #" "color(blue)(z=sqrt((-4)^2+3^2)=5#
  • #color(red)(sintheta)=3/5#
  • #color(red)(costheta)=-4/5#
  • #color(red)(tantheta)=sintheta/costheta=-3/4#
  • #color(red)(csctheta)=1/sintheta=5/3#
  • #color(red)(sectheta)=1/costheta=-5/4#
  • #color(red)(cottheta)=1/tantheta=-4/3#

Option:-b

Hope it helps...
Thank you...

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