Find the exact value of the trigonometric expression without the use of a calculator.cos 

A. - 
B. ( - 1)
C.
D. -( - 1)


Answer: C

Mathematics

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Find the first four terms of the binomial series for the given function.(1 + 7x2)3

A. 1 + 21x2 + 21x4 + x6 B. 1 + 21x2 + 63x4 + 189x6 C. 1 + 21x2 + 245x4 + 2401x6 D. 1 + 21x2 + 147x4 + 343x6

Mathematics

Approximate the area of the triangle to the nearest tenth.

A. 691 B. 710.3 C. 695.2 D. 704.5

Mathematics

Solve.Given logb 7 = 1.081 and logb 14 = 1.466, evaluate logb 2.

A. cannot be found using the properties of logarithms B. 2.547 C. 0.385 D. 1.356

Mathematics

Provide an appropriate response.A student claims that since logbx = a is not defined for negative values of x, then a must also not be negative. What is wrong with this statement?

What will be an ideal response?

Mathematics