cosA=4/21;what is the value of A?
Answers
Answered by
5
cosA=4/21
A=cos-¹4/21
A=cos-¹4/21
Rohit222:
but why the real answer in book is 79°
oh
srry I don't know
plz don't mind
Answered by
17
I have done my best to write the correct answer..
Hope it helps you friend..
Attachments:
Similar questions