Verify the identity.
= 2 cot2 x - csc2 x
What will be an ideal response?
= 
= 
- 
= 2 cot2 x - csc2 x
Mathematics
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Find the domain and range of the function.f(x) = -x2 - 12x - 43
A. Domain: (-?, ?); Range: (-?, 6] B. Domain: (-?, -7]; Range: [6, ?) C. Domain: (-?, ?); Range: (-?, -7] D. Domain: (-?, ?); Range: [7, ?)
Mathematics
Find price relatives for the item. Round to the nearest tenth of a percent.Item: NewspaperPrice then: $0.12 per paperPrice now: $0.27 per paper
A. 222.8% B. 236.3% C. 225.0% D. 44.4%
Mathematics
Solve the equation in the complex number system.x4 = 16
A. {2} B. {-2, 2} C. {-2, 2, 2i} D. {-2, 2, -2i, 2i}
Mathematics
Solve the equation.
- 
= 3
A. -2 B. 2, 38 C. 3, 8 D. 2
Mathematics