Math, asked by nayanazara12, 13 days ago

If ∆ABC is right angled at C, then the value of cos(A + B) is


Answers

Answered by believeyourself
4

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 s153410bdiya16532
4

Answer:

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