The value of tan1∘×tan2∘×tan3∘×…...×tan89∘ is :

1.	The value of tan1∘×tan2∘×tan3∘×…...×tan89∘ is :
Answer» The value of $t a n 1^{\circ} \times t a n 2^{\circ} \times t a n 3^{\circ} \times \dots . . . \times t a n 89^{\circ}$ is :

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