Math, asked by shubhamgaji4, 6 months ago

if A+B+C=π, than prove that =sin2A-sin2C =4cosA cosB cosC​

Answers

Answered by spdwivedi20
0

Answer:

answer is

Step-by-step explanation:

a +b+c =pie so take the value of a=22/7-7b-7c

Similar questions