Use the properties of the trigonometric functions to find the exact value of the expression. Do not use a calculator.sin2 50° + cos2 50°
A. 0
B. -1
C. 1
D. 2
Answer: C
Mathematics
You might also like to view...
Perform the indicated operations and simplify the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve the problem.How many cubes with 1-inch sides can be placed in a rectangular solid of length = 4 inches, 
and 
A. 20 B. 63 C. 36 D. 252
Mathematics
Find the 3rd term in the binomial expansion.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Find the real solutions of the equation.(x2 - 2)1/2 = 12
A. {146, -146}
B. {
, - 
}
C. {14}
D. {
}
Mathematics