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Suppose ABCS (in order) is a quadrilater...

Suppose ABCS (in order) is a quadrilateral inscribed in a circle. Which of the following is/are always true? `secB=secD` (b) `cotA+cotC=0` `cos e cA=cos e cC` (d) `tanB+tanD=0`

A

`secB=secB`

B

`cotA+cotC=0`

C

`cosecA=cosecC`

D

`tanB+tanD=0`

Text Solution

Verified by Experts

The correct Answer is:
B, C, D
Opposite angles of a cyclic quadrilateral are supplementary.
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