Establish the identity.cot 2 x + csc 2 x = 2 csc 2 x - 1
What will be an ideal response?
cot 2 x + csc 2 x = csc 2 x - 1 + csc 2 x = 2 csc 2 x - 1.
Mathematics
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Evaluate the expression.x - y, where x = -10 and y = 11
A. 1 B. -1 C. 21 D. -21
Mathematics
Provide an appropriate response.Which is the least common multiple of 12, 18, and 30?
A. 6 B. 180 C. 1,620 D. 6,480
Mathematics
Write the mixed number as an improper fraction.7
A. 
B. 
C. 
D. 
Mathematics
Translate the English sentence into an equation using the variables indicated.The length of a rectangle is 5 meters shorter than three times the width. Use l for the length and w for the width of the rectangle.
A. l = 5w - 3 B. l + w = 5 C. l = 3w - 5 D. l = 3w + 5
Mathematics