Math, asked by servicecarlcarecom, 14 hours ago

If triangle ABC is right angled at then the value of cos (A+B) is ​

Answers

Answered by lakshumvm
0

Answer:

Step-by-step explanation:Step-by-step explanation: as C is right angle, so , the summation of other angles are (180-90)=90. A+B=90. so, cos(A+B)=cos90°=0.

Answered by satyashilabibhutiray
0

Step-by-step explanation:

Step-by-step explanation: as C is right angle, so , the summation of other angles are (180-90)=90. A+B=90. so, cos(A+B)=cos90°=0.

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