Math, asked by siraj11793khan, 2 months ago

dy
is
11) If y = cos²x then
a) - sin2x b) - cos2x c) -sinx d) -COSX
a
b
С
d

Answers

Answered by 0028khushi

1

Answer:

option a is right

Mark it the brainliest if it helps! thanks :)

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