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e-lub [12.9K]
3 years ago
14

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

Mathematics
2 answers:
juin [17]3 years ago
4 0
Hello :
by identity :
sin(x)° =cos(90-x)° 
solve : <span> sin(x+16)°=cos(2x+14)°
            cos(90-(x+16))°= </span>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)
Alisiya [41]3 years ago
4 0

Answer:

the answer is x = 20

hope this helps

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