ineedahero22 ineedahero22
  • 04-04-2017
  • Mathematics
contestada

What is the value of x? sin(x+16)°=cos(2x+14)°

Respuesta :

ghanami
ghanami ghanami
  • 04-04-2017
hello :
by identity :
sin(x)° =cos(90-x)° 
solve :  sin(x+16)°=cos(2x+14)°
            cos(90-(x+16))°= 
cos(2x+14)°
            cos (74-x)°= cos(2x+14)°
74-x =2x+14+360k.......(1)
          or

74-x =- (2x+14)+360k' ......(2)
find x with (1) and (2)
Answer Link
charmander574
charmander574 charmander574
  • 27-03-2020

Answer:

the answer is x = 20

hope this helps

Answer Link

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