If ABC is right angled at c,then find the value of cos(A+B)
Answers
Answered by
10
A + B + C = 180
A + B = 90
therefore, cos (90) = 0
A + B = 90
therefore, cos (90) = 0
Answered by
37
Hey there!
Given, ABC is right angled at C
So, Angle C = 90°
By Angle sum property,
A + B + C = 180
( A + B) = 90°
Now,
cos(A+B) = cos90° = 0 .
Hope helped! ^^
Given, ABC is right angled at C
So, Angle C = 90°
By Angle sum property,
A + B + C = 180
( A + B) = 90°
Now,
cos(A+B) = cos90° = 0 .
Hope helped! ^^
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