Cot 8A +cosec 4A = cot 2A – cosec 8A
Sin4A = 1/8(3 – cos 2A + cos 4A)
Tan A + 2 tan 2A + 4 tan 4A + 8 cot 8A = cotA
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Project Work ( mathematics ) Find the geometrical shape involved in different objects …
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Deadly sir. Bujyo.
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