Math, asked by harihhhhh, 7 months ago

If tan x = -1, then cos 2x = ?

Answers

Answered by lalan9456277357

0

Answer:

i don't no please mark as brainlist

Answered by vishnurupinirs24921

1

Answer:

If x=-1

2x=2*-1

=-2

Hope this will surely help you. Make me as the brainlst pls pls

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