Establish the identity.sin 
= 
(sin x - cos x)
What will be an ideal response?
sin 
= sin x cos 
- sin 
cos x = 
(sin x - cos x).
Mathematics
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Replace the Cartesian equation with an equivalent polar equation.2x + 3y = 6
A. 2 cos ? + 3 sin ? = 6r B. r(2 cos ? + 3 sin ?) = 6 C. 2 sin ? + 3 cos ? = 6r D. r(2 sin ? + 3 cos ?) = 6
Mathematics
Subtract. Write a mixed numeral for the answer. 11
A. 13
B. 7
C. 14
D. 7
Mathematics
Evaluate the formula for the values given.L = 
when P = 30 and W = 8
A. L = 15 B. L = 11 C. L = 7 D. L = 22
Mathematics
Provide the proper response.Write a problem that includes last year's sales, this year's sales, and asks for the percent of decrease. Explain how to identify the base, rate, and part in your problem.
What will be an ideal response?
Mathematics