Question

which of the following is not defined?

(a) sin90°
(b) cot90°
(c) tan0°
(d) cosec0°
​

Answer 1

Answer:

ten0*

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Answer 2

sin90° = 1

cot90° = 0

tan0° = 0

cosec0° = NOT DEFINED.

SO THE ANSWER IS OPTION D.

HOPE THIS HELPS ;)