Complete the identity.2 tan ? - (1 + tan ?)2 = ?
A. 0
B. -sec2 ?
C. 1 - sin ?
D. 1
Answer: B
Mathematics
You might also like to view...
Evaluate the integral by using multiple substitutions. dt
A. + C
B. - + C
C. - + C
D. + C
Mathematics
The histogram shows the scores of each participant in a game from a total of 100 participants. What is the ratio of participants who score 80-99 to the total number of participants?
A.
B.
C.
D.
Mathematics
Write the decimal in words.0.99
A. ninety-nine ten-thousandths B. ninety-nine tenths C. ninety-nine hundredths D. ninety-nine thousandths
Mathematics
Solve the exponential equation. Round to three decimal places when necessary.e-0.12t = 0.19
A. -11.779 B. 13.839 C. -20.59 D. 10.601
Mathematics