So, this will also lead to 0, we have also seen that if we take two different members from the same family it is going to be 0, if we fix 1 as a member and take any other member from the cosine or from the sine that is 0, so what is left now?
இதேபோன்று நாம் சைன் ஃபேமிலியிலிருந்து sinx and sinx நபர்களை எடுக்கும் பொழுதும் இதே நிகழ்வு ஏற்படுகிறது.