melbel4 melbel4
  • 15-04-2019
  • Mathematics
contestada

If cost=1/3 and x is in quadrant 2 answer the following questions
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If cost13 and x is in quadrant 2 answer the following questions class=

Respuesta :

AameerbBhatta AameerbBhatta
  • 15-04-2019

if cosx=1/3

then

x=cos^-1 (1/3)

x=70.53

now

sin (x/2)=sin (35.27)

=0.577

Again

tan (x/2)=tan (35.27)

=0.707

hope its help u!

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