Complete the identity. 
+ 
= ?
A. 2 + sec x csc x
B. 2 - sec x csc x
C. 1 - sec x csc x
D. sec x csc x
Answer: B
Mathematics
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Find the mean of the list of data.9.6 m, 10 m, 7.8 m, 10 m, 7.6 m
A. 9 m B. 7.5 m C. 10 m D. 9.6 m
Mathematics
x3 + 2x2 + x + 2
A. (2x2 + 2)(x + 1) B. (x2 + 1)(x + 2) C. (x2 + 1)(2x + 2) D. (x2 + 2)(x + 1)
Mathematics
Rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.f(x) = 8 cos2 x
A. 4 - 4 cos 2x B. 1 + cos 2x C. 16 cos x D. 4 + 4 cos 2x
Mathematics
Solve.Avegail needs to determine the distance at certain points across a lake. Her crew and she are able to measure the distances shown on the diagram below. Find how wide the lake is to the nearest tenth of a meter.
A. 143.2 m B. 70 m C. 115.3 m D. 8.4 m
Mathematics