Establish the identity.sin(? - ?) cos(? + ?) = sin ? cos ? - sin ? cos ?
What will be an ideal response?
sin(? - ?) cos (? + ?) = (sin ? cos ? - cos ? sin ?)(cos ? cos ? - sin ? sin ?) 
= sin ? cos ? - sin ? cos ?
Mathematics
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Determine the row operation that was used on the first matrix to obtain the second matrix.
, 
What will be an ideal response?
Mathematics
Perform the indicated operations and simplify the result. Leave the numerator and denominator in your answer in factored form.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem. Use 3.14 for ?.A wicker basket has a circular rim with a diameter of 9 in. How many inches of ribbon are needed to go once around the rim?
A. 56.52 in. B. 26.26 in. C. 81 in. D. 28.26 in.
Mathematics
Factor the polynomial.15x2 + 29x + 12
A. (3x + 4)(5x + 3) B. (15x + 4)(x + 3) C. (3x - 4)(5x - 3) D. prime
Mathematics