Verify the identity.(1 - cos x)(1 + cos x) = sin2 x
What will be an ideal response?
(1 - cos x)(1 + cos x) = 1 - cos2x = sin2x
Mathematics
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Simplify.(3x)0
A. 1 B. 3x C. 0 D. 3
Mathematics
Identify the curve as simple, closed, both, or neither.
A. Neither B. Simple C. Both D. Closed
Mathematics
Provide an appropriate response. Use the sine function to find length c of a standard right triangle ABC given b = 498 miles and B = 43.7°. Round to four significant digits.
A. 720.8 miles B. 344.1 miles C. 688.9 miles D. 21,760 miles
Mathematics
Factor the sum or difference of two cubes.27 - 125x3
A. (3 - 5x)(9 + 15x + 25x2) B. (27 - 5x)(1 + 15x + 25x2) C. (3 - 5x)(9 + 25x2) D. (3 + 5x2)(9 - 15x + 25x2)
Mathematics