Verify the identity.
= 
What will be an ideal response?
= 
= 
= csc x - 1 = 
- 
= 
.
Mathematics
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Solve by the quadratic formula. Simplify answers. Use i notation for nonreal complex numbers.8x2 = -15x
A. x = ± 
B. x = - 
, x = 0
C. x = 0
D. x = 
, x = 0
Mathematics
Solve the equation.7 - 
= 5
A. -16
B. -33
C. 16
D. 
Mathematics
Simplify the exponential expression.
3
A. 
B. 
C. 
D. 
Mathematics
? is an acute angle and sin ? and cos ? are given. Use identities to find the indicated value.sin ? = 
, cos ? = 
. Find sec ?.
A. 
B. 
C. 
D. 
Mathematics