How do you factor and simplify 4sin2y+8siny+4?
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Answer:
Step-by-step explanation:
4sin²y+8siny+4
=4(sin²y+2siny+1)
=4(sin²y+siny+siny+1)
=4[siny(siny+1)+(siny+1)]
=4(siny+1)(siny+1)
=4(siny+1)²
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