Simplify the expression to either 1 or -1.-sin2 x - cos2 x
A. 1
B. -1
Answer: B
Mathematics
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691 ð 342) ÄÄÄÄÄÄÄÄÄÄÄÄ = (2.44 ð 102)
a. 8.52 ð 103 b. 9.69 ð 104 c. 2.52 ð 103 d. 9.69 ð 102 e. 4.93 ð 102
Mathematics
Find the measure of the indicated angle. Figure is not drawn to scale.
Find the measure of ?y.
A. 25° B. 125° C. 55° D. 35°
Mathematics
Provide an appropriate response.Solve: 
- 1 = 
Fill in the blank(s) with the appropriate word(s).
Mathematics
Simplify the radical. Assume that all variables represent positive real numbers.
A. x2
B. x2
C. x
D. x2
Mathematics