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Mathematics, 20.07.2021 04:20, dylalove4963
Cos theta / sec theta -1 - sin theta / 1+cos theta = 2 cot theta
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Mathematics, 21.06.2019 22:20, macycj8
1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.
Answers: 2
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Cos theta / sec theta -1 - sin theta / 1+cos theta = 2 cot theta...
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