Verify the identity.
= - tan 6x tan 2x
What will be an ideal response?
= 
= - 
? 
= - tan 6x tan 2x
Mathematics
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Subtract.74
A. 101 B. 39 C. 47 D. 67
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Solve the number problem by finding the value of the unknown number.If twice a number is increased by 1, the result is 23.
A. 22 B. 11 C. 16 D. 8
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Simplify the fraction, if possible.
A. 1
B. 
C. 0
D. -1
Mathematics
Solve the problem.A boat can go 20 mph in still water. It takes as long to go 140 miles upstream as it does to go downstream 210 miles. How fast is the current?
A. 4 mph B. 3 mph C. 1 mph D. 7 mph
Mathematics