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Alborosie
3 years ago
13

Which expression is equivalent to

Mathematics
2 answers:
Reptile [31]3 years ago
4 0
B.
sin^2x + cos^2x =1
hence Sin^2x-1 = - cos^2x
Alexeev081 [22]3 years ago
4 0
Sin^2x -1 = -cos^2x.......
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