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5 votes
(Show your work please!)

(Show your work please!)-example-1
User Hsanders
by
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1 Answer

3 votes
3) tan(?) = 9/21
? = arctan(9/21)
? ≈ 23.20°

4) sine and cosine are equal for complementary angles.
θ = 90° - 32°
θ = 58°
User Tanz
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6.9k points