Establish the identity.cot 2 x + csc 2 x = 2 csc 2 x - 1
What will be an ideal response?
cot 2 x + csc 2 x = csc 2 x - 1 + csc 2 x = 2 csc 2 x - 1.
Mathematics
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Solve the linear equation.-y + 25 + 5y = 7 + 10y
A. -18 B. -3 C. 18 D. 3
Mathematics
Solve.14 = 14 + m
A. 0 B. 28 C. 1 D. 7
Mathematics
Classify the sequence as arithmetic, geometric, Fibonacci, or none of these and supply the next term. ? 3, 4, 5, 6, ... ?
A. Fibonacci and a5 = 11 B. Geometric and a5 = 15 C. None and a5 = 50 D. Arithmetic and a5 = 7 E. Geometric and a5 = 7
Mathematics
All the cows in a certain herd are white-faced. The probability that a white-faced calf will be born by mating with a certain bull is 0.7. Suppose 6 cows are bred to the same bull. Find the probability, that no white-faced calves will be born. ?
A. 0.0004 B. 0.0008 C. 0.0023 D. 0.0007 E. 0.0051
Mathematics