SOLUTION: Evaluate the expression.
cot^2(90)-sec(180) both in degrees.
The answer is 1 but I don't know how to solve this. Please help.
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-> SOLUTION: Evaluate the expression.
cot^2(90)-sec(180) both in degrees.
The answer is 1 but I don't know how to solve this. Please help.
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Question 691970: Evaluate the expression.
cot^2(90)-sec(180) both in degrees.
The answer is 1 but I don't know how to solve this. Please help. Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! Evaluate the expression.
cot^2(90)-sec(180) both in degrees.
The answer is 1 but I don't know how to solve this. Please help
**
cot(90)=cos(90)/sin(90)=0/1=0
cot^2(90)=0
..
-sec(180)=-1/cos(180)=-1/-1=1
..
cot^2(90)-sec(180)=0+1=1
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