Solve the given trigonometric equation by use of a graphing calculator. Use values of x for 0 ? x < 2?.2 tan x + cot x = 5
A. 1.98, 2.93, 5.13, 6.07
B. No solution
C. 0.22, 1.98, 4.30, 5.13
D. 0.22, 1.16, 3.36, 4.30
Answer: D
Mathematics
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for A
A. A = ± 
B. A = 2?r2
C. A = 2?r
D. A = ± 2?
Mathematics
Find the numerical value of the expression for 
and 
x + 9
A. a) 5 b) 9 B. a) 27 b) 13 C. a) 36 b) 162 D. a) 13 b) 27
Mathematics
Perform the indicated operations. Assume variables represent positive real numbers.(m1/4 + m-1/4)(m-1/4 - m1/4)
A. m1/2 - m-1/2 B. -m1/2 + m-1/2 C. 1 - m1/2 + m-1/2 - m D. m - m1/2 + m -1/2 - 1
Mathematics
Combine like terms.5a + 2b + 3a + 7b
A. 17ab B. 8a + 2b + 7b C. 9a + 8b D. 8a + 9b
Mathematics