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For all x such that 0 le x le 90, which ...

For all x such that `0 le x le 90`, which of the following expression is NOT equal to `sin x^(@)`?

A

`- sin (-x^@)`

B

`sin (-x^@)`

C

`cos (90 - x)^(@)`

D

`cos (x -90)^(@)`

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The correct Answer is:
B
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ENGLISH SAT-PRACTICE TEST 4 - MATHEMATICS TEST-EXERCISE
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