FOR ANY TRIANGLE ABC, PROVE THAT SIN(B-C)/SIN(B+C)= b^2-c^2/a^2 - Maths - Trigonometric Functions

Question

FOR ANY TRIANGLE ABC, PROVE THAT SIN(B-C)/SIN(B+C)= b^2-c^2/a^2

S. Usha Rani · Accepted Answer

We multiply and divide the left side part of the equation by sin
(B+C)
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