Simplify.
A. -2
B. 2
C. 3
D. 
Answer: B
Mathematics
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Verify that the equation is an identity.sin
= -cos ?
What will be an ideal response?
Mathematics
Find the exact values of the indicated trigonometric functions. Write fractions in lowest terms.
Find sin A and cos A.
A. sin A = 
; cos A = 
B. sin A = 
; cos A = 
C. sin A = 
; cos A = 
D. sin A = 
; cos A = 
Mathematics
Factor the expression. Express your answer so that only positive exponents occur. x4/5 + 3x2/5
A. x1/5(x2/5 + 3) B. x2/5(x2/5 + 3) C. x1/5(x4/5 + 3) D. x2/5(x-2/5 + 3)
Mathematics
Add.39826621
A. 11,116 B. 10,106 C. 11,006 D. 10,016
Mathematics