CBSE Class 12-science Answered
If in a triangle ABC , the side c and the angle c remain constant while the remaining elements are changed slightly , show that da/cosA + db/cosB = 0
Explain in great detail
Asked by haroonrashidgkp | 22 Sep, 2018, 03:39: PM
Expert Answer
Answered by Sneha shidid | 24 Sep, 2018, 01:12: PM
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