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laila [671]
3 years ago
7

Please help me!! 100 points!! A student solved the equation sin2x/cosx =2 ‘ 0=< x =< pi and found an answer of pi/2 descri

be the students error in 2-3 sentences
Mathematics
1 answer:
muminat3 years ago
3 0

Answer:

sin(2x)/cos x = 2sin x*cos x/ cos x = 2 sin x = 2

sin x = 1

x = pi/2

but cos pi/2 = 0

so the given equation is indeterminate for x = pi/2

Step-by-step explanation:

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