Question

4) बिंदू A चा निर्देशक - 2 व B चा निर्देशक 5 असेल तर d(A, B) = किती ?, ​

Answer 1

Answer:

Depends on what you want. If you insists that sine and cosine should be of the same angle use Pythagorean identity, as Glenn suggested.

Otherwise you can use identity sin(x) = cos(pi/2-x).