Establish the identity.
= sin ? sin ?
What will be an ideal response?
= 
= 
= 
= sin ? sin ?
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Solve the problem.The number of dislocated electric impulses per cubic inch in a transformer increases when lightning strikes by 
where x is the time in milliseconds of the lightning strike. Find the number of dislocated impulses at x = 0 and x = 3.
A. 2100, 262,500 B. 2100, 6,562,500 C. 2100, 31,500 D. 10,500, 262,500
Classify the polynomial by the number of terms. Then identify the degree of the polynomial.
r3 + 
s2
A. Trinomial of degree 2 B. Binomial of degree 1 C. Binomial of degree 5 D. Binomial of degree 3
Solve.3x - (6 - x) = 9[3 - (2 + 7x - 3)]
A. - 
B. 
C. - 
D. - 
Determine whether the line through each pair of points is perpendicular. ? A(3, 9), B(7, 4) and C(-4, -13), D(1, -8) ?
A. not perpendicular B. perpendicular