Hello,
sin² x-cos² x=sin² x-(1-sin² x)=2sin² x-1
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No
There is not a common factor
Answer:
-13/8
Step-by-step explanation:
u divied by -8 to get n by itself
Answer:
Step-by-step explanation:
3.1x10 = 31, and 9x10=90, so the fraction is 31/90, whcih equals 3.44444444 . . .
Answer:
the answer is a
Step-by-step explanation:
above sea level is positive and below sea level is negative
hope this helps