ineedahero22 ineedahero22

04-04-2017
Mathematics

contestada

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

Respuesta :

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

27-03-2020

Answer:

the answer is x = 20

hope this helps

Answer Link

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