Complete the identity.
= ?
A. tan x + tan y
B. cot 
C. tan 
D. tan 
Answer: D
You might also like to view...
A tricycle with large wheel diameter of 18" and small wheel diameter of 6" travels 162? inches. How many revolutions has each wheel made? ?
A. Big: ?3, Small: 3 B. ?Big: 27?, Small: 9 C. Big: ?9, Small: 27 D. ?Big: ?27, Small: 27 E. ?Big: 1, Small: 2
Provide an appropriate response.An obtuse angle is more than __________ degrees but less than __________ degrees.
Fill in the blank(s) with the appropriate word(s).
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos(2?) = 
, 0 < ? < 
Find sin ?.
A. 
B. 
C. 
D. 
Divide f(x) by d(x), and write a summary statement in the form indicated.f(x) = x2 - 2x + 6; d(x) = x - 7 (Write answer in fraction form)
A. 
= (x + 5) + 
B. 
= (x - 7) + 
C. 
= (x - 7) + 
D. 
= (x + 5) + 