SOLUTION: the equivalent to 1-2sinx+sin^2x is a)(1-cosx)^2 b)(1-sinx)^2 c) 2-sin^2 d)2sinx-1
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-> SOLUTION: the equivalent to 1-2sinx+sin^2x is a)(1-cosx)^2 b)(1-sinx)^2 c) 2-sin^2 d)2sinx-1
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Question 257054
:
the equivalent to 1-2sinx+sin^2x is
a)(1-cosx)^2 b)(1-sinx)^2
c) 2-sin^2 d)2sinx-1
Answer by
drk(1908)
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Here is the original problem:
1-2sinx+sin^2x
factor this to get
This is choice [b]