Using a sum or difference identity, write the following as an expression involving functions of ?.tan (30° + ?)
A. -tan ?
B. tan ?
C. 
D. 
Answer: D
Mathematics
You might also like to view...
Solve the problem.A girl asks her father how many ties he has and he answers with a riddle: "Seven-eighths of my ties plus five." How many ties does her father have?
A. 40 B. 45 C. 50 D. 35
Mathematics
Multiply.(x - 1)(x2 - x - 7)
A. x3 - 2x2 - 6x + 7 B. x3 - 2x2 - 8x - 7 C. x3 - 2x2 - 7x + 7 D. x3 - 6x + 7
Mathematics
Find R2:
R1R2 RT = ÄÄÄÄÄÄÄ when R1 = 3 Kê and RT = 2 Kê R1 + R2 a. 4 Kê b. 6 Kê c. 5 Kê d. 7 Kê e. 8 Kê
Mathematics
Express the interval in set builder notation and graph the interval on a number line.(5.5, ?)
A. {
x < 5.5}
B. {
x > 5.5}
C. {
x ? 5.5}
D. {
x ? 5.5}
Mathematics