Bhai, sin(A+B) alag hai kyunki geometry waisa kaam nahi karti. Jaise ek beam ka support different angles pe different load leta hai, na ki sum kar deta hai. Main dekhta hoon site pe, agar formula aise simple jodne se kaam chalta toh meri structural drawings fail ho jaati! Phir didi ki coaching fees kaise bharti?
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