Find the exact value using a double-angle identity.tan(300°)
A. - 
B. 
C. - 
D. 0
Answer: A
Mathematics
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Write the number in scientific notation.0.082
A. 82 × 10-2 B. 8.2 × 10-3 C. 8.2 × 10-2 D. 82 × 10-3
Mathematics
Perform the indicated operations and write the result in standard form.3
+ 2
A. 36i B. 36 C. -36i D. -36
Mathematics
Identify where f is increasing or where f is decreasing, as indicated. Round your answer to two decimal places when appropriate.f(x) = -3x2 + 6x - 1; decreasing
A. (-?,1] B. [1, ?) C. (-?, -1] D. [-1, ?)
Mathematics
Identify the equation as either an identity or not.
= cos x + cot x
A. Not an identity B. Identity
Mathematics