Verify the identity.
= 2 cot2 x - csc2 x
What will be an ideal response?
= 
= 
- 
= 2 cot2 x - csc2 x
Mathematics
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Use simple probability to complete the exercises.You are dealt one card from a standard 52-card deck. Find the probability of being dealt a picture card.
A. 
B. 
C. 
D. 
Mathematics
Write the improper fraction as a mixed number in simplest form.
A. 17
B. 16
C. 15
D. 
Mathematics
Factor the polynomial as the sum or difference of two cubes.64x3 - 1
A. (64x - 1)(x2 + 4x + 1) B. (4x + 1)(16x2 - 4x + 1) C. (4x - 1)(16x2 + 1) D. (4x - 1)(16x2 + 4x + 1)
Mathematics
Write the vector v in the form ai + bj, given its magnitude 
and the angle ? it makes with the positive x-axis.
= 3, ? = 60°
A. v = - 
i - 
j
B. v = 
i + 
j
C. v = 
i + 
j
D. v = 
i + 
j
Mathematics