Question: An equivalent expression to sin (9) is: O a) Two of these are correct. b) cos2 (9) -+- I C) c) 1 cos2 (9)


An equivalent expression to sin (9) is: O a) Two of these are correct. b) cos2 (9) -+- I C) c) 1 cos2 (9) O d) cos2 (9) 1
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