Represent the quantity by a signed number.The temperature recorded at the airport was 6° above zero.
A. +6
B. -6
Answer: A
Mathematics
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Prove that the equation is an identity.sec3 x cos x - 1 = tan2x
What will be an ideal response?
Mathematics
Write the expression in terms of sines and/or cosines, and then simplify.sec ? + sin ?
A. 
B. 
C. 
D. sin ?
Mathematics
Write a fraction to represent the shaded portion of the figure.
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.-40.2 = -6.7c
A. 33.5 B. -33.5 C. 6 D. 2
Mathematics