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Margaret [11]
3 years ago
11

HELP!!!! thank you in advance!!​

Mathematics
1 answer:
MakcuM [25]3 years ago
6 0

Question writer: it's customary to keep the degree sign off of the variable names in trig.

sin y = s/8

tan y = s/t

tan y = sin y  /   cos y

cos y = sin y / tan y

cos y = (s/8) / (s/t) = (s/8) × (t/s) = t/8

Answer: cos y = t/8,  third choice

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