Math, asked by nandanak99, 6 months ago

In triangleABC is
right angled at C, then the
value of cos a+b=?

Answers

Answered by jhontron45

1

Answer:

cos(A+B)=0

Step-by-step explanation:

∠C=90

∠A+∠B+∠C=180

∠A+∠B=90

cos(90)=0

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