please help mein this question
Attachments:
Answers
Answered by
2
Answer:
as C is right angle, so , the summation of other angles are (180-90)=90. A+B=90. so, cos(A+B)=cos90°=0
Step-by-step explanation:
follow me
mark as brainlist
Answered by
0
Answer:
as C is right angle, so , the summation of other angles are (180-90)=90. A+B=90. so, cos(A+B)=cos90°=0.
Similar questions