Question

if A,B,C are angles of a triangle, then
prove that sin+sina B-singe = 1- 2005.1 / case​

Answer 1

Step-by-step explanation:

If θ be an acute angle, the values of sin θ and cos θ lies between 0 and 1 (both inclusive). The sine of the standard angles 0°, 30°, 45°, 60° .