Verify each identity:
1. (sin α-csc α)² = cot²α-cos²α
2. 1-tan²A÷1+tan²A=2cos²A-1
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Mathematics, 30.03.2020 04:55 coryowens44
Verify each identity:
1. (sin α-csc α)² = cot²α-cos²α
2. 1-tan²A÷1+tan²A=2cos²A-1
3. (cos α - sec α ÷ sec α)+(sin α - csc α ÷ csc α) = -1
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