Math, asked by prafullakumar, 1 year ago

find the velue of tan (-840)

Answers

Answered by AR17
9
Heya user !!

Here's the answer you are looking for

tan(-840)

= tan [- (720 + 120)]

= tan [- (2π + 120)

= tan (-2π - 120)

= tan (-120) ➡️➡️➡️[lies in the 3rd quadrant]

= tan (180 + 60)

= tan 60

= √3 = 1.732


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