SOLUTION: Explain why you can't evaluate sec 90 degree. And deduce the value of cot 90 degree.

Algebra ->  Trigonometry-basics -> SOLUTION: Explain why you can't evaluate sec 90 degree. And deduce the value of cot 90 degree.      Log On


   

Question 789965: Explain why you can't evaluate sec 90 degree. And deduce the value of cot 90 degree.
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Secant is the reciprocal of cosine. Cosine of 90 degrees is zero. You can't divide by zero. Cotangent is cosine over sine.

John

Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
The Out Campaign: Scarlet Letter of Atheism