SOLUTION: solve sin2y = cos4y for y, where 0 degrees < or equal to y < 360
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Question 40524
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solve sin2y = cos4y for y, where 0 degrees < or equal to y < 360
Answer by
josmiceli(19441)
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sin2y = cos4y
Let z = 2y
sin z = cos 2z
This is true for z = 30, 150 degrees
z = 2y
30 = 2y
y = 15
and
150 = 2y
y = 75
y = 15, 75 degrees answer