cot12° cot38° cot52° cot60° cot78°
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hey dear,
cot12.cot78.cot38.cot52.cot60
=cot12.cot(90-12).cot38.cot(90-38).cot60
=cot12.tan12.cot38.tan38.cot60
=1.cot60=1/squareroot of 3
i thnk this is useful for u
cot12.cot78.cot38.cot52.cot60
=cot12.cot(90-12).cot38.cot(90-38).cot60
=cot12.tan12.cot38.tan38.cot60
=1.cot60=1/squareroot of 3
i thnk this is useful for u
sarad29:
sry its1/root3
thanks
wlcm###varsha
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