Question

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Find the value of tan(-870)

Answer 1

its √3/3

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Answer 2

Answer:

1/√3

Step-by-step explanation:

=> tan(-870)

=> -tan(870)

===>>> tan 870 lies in 2nd quadrant where tan (theta) is negative. so,

=> -tan (900-30)

=> - tan(-30)

=> -(-)tan30

=> tan 30

=> 1/√3

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