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log tan 1^(circ)+log tan 2^(circ)+... .+...

`log tan 1^(circ)+log tan 2^(circ)+... .+log tan 89^(circ)=`

A

1

B

0

C

`(pi)/(4)`

D

`(1)/(2)`

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HIMALAYA PUBLICATION-MEASUREMENT OF ANGLES, TRIGONOMETRIC RATIOS AND RELATION BETWEEN SIDES AND ANGLES OF A TRIANGLE-QUESTION BANK
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  13. If 0^(circ) lt theta lt 180^(circ) then sqrt(2+sqrt(2+sqrt(...+sqrt(2(...

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