Asked by Liz

Use the cofunction of a complementary angle. PLEASE HELP ME!

tan θ = cot (30° + 5θ)

Answers

Answered by Reiny
cot(30° + 5Ø)
= tan(90 - (30+5Ø))
= tan(60 - 5Ø)

then tan Ø = tan(60-5Ø)
Ø = 60-5Ø
6Ø = 60
Ø = 10°
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