Establish the identity.(cos ? + sin ?)2 + (cos ? - sin ?)2 = 2(cos2? + sin2?)
What will be an ideal response?
(cos ? + sin ?)2 + (cos ? - sin ?)2 
Mathematics
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Find the measure of the indicated angle. Figure is not drawn to scale.
Find the measure of ?z.
A. 150° B. 130° C. 140° D. 50°
Mathematics
Find the product.(12p + 13)(12p - 13)
A. 144p2 - 312p - 169 B. 144p2 + 312p - 169 C. 144p2 - 169 D. p2 - 169
Mathematics
Add or subtract. Simplify the answer.
- 
A. 
B. 
C. 
D. 
Mathematics
Convert to a logarithmic equation.100.699 = 5
A. 0.699 = log9 10 B. 5 = log10 0.699 C. 0.699 = log10 5 D. 10 = log9 0.699
Mathematics