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Given that sin (x + 60)° = Cos (2x)°, find tan (x + 60)°.
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Jul 21, 2021
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Mathematics Form 3
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anonymous
Given that sin (x + 60)° = Cos (2x)°, find tan (x + 60)°.
trigonometry
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Jul 21, 2021
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anonymous
Sin x+ 60º = Cos 2x
x+ 60 + 2x =90
3x = 30
x=10
Tan (x+60)= Tan 70
Tan 70 = 2.748, 2.7475
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