tanA is not defined for A=90.State whether the given statement is true or false. Justify your answer.
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tanA = sinA / cosA
Putting A = 90, sinA = 1 and cosA = 0
So, tan 90 = 1/0 which is a non-defined value and thus the statement is true.
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Given statement ,
" Tan A is not defined for
A = 90 ° " is True .
Explanation :
If A = 90°,then
Tan A = tan 90°
= ( Sin 90° )/(cos 90°)
= 1/0
Therefore ,
It is undefined because it is
impossible to divide with 0 .
••••
" Tan A is not defined for
A = 90 ° " is True .
Explanation :
If A = 90°,then
Tan A = tan 90°
= ( Sin 90° )/(cos 90°)
= 1/0
Therefore ,
It is undefined because it is
impossible to divide with 0 .
••••
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