Complete the identity.tan ?(cot ? - cos ?) = ?
A. 1
B. -sec2 ?
C. 0
D. 1 - sin ?
Answer: D
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Compound interest is
A. calculated by multiplying the principal times the rate times the period of time. B. interest on the original principal plus any past unpaid accrued interest to date. C. interest on the original principal paid or received. D. interest on any past unpaid interest accrued to date.
Solve the problem.Find sin ?, given that cos 2? = 
and 0 < ? < 
.
A. 
B. 
C. 
D. 
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = 
, 0 < ? < 
Find cos (2?).
A. - 
B. 
C. - 
D. 
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.csc ? = 
, 
< ? < ?Find cos (2?).
A. - 
B. 
C. - 
D. 