if trangle abc right angle at c then find the valu of sec(a+b)
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If triangle ABC is right angled at C, then the value of sec (A+B) is
Given: Triangle ABC is right angled at C.
To find: The value of sec (A + B).
Answer:
We know that the sum of all angles in a triangle must be 180º.
It is only fair if ∠A + ∠B = 90º.
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