what is the value of cot 660 degrees?
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Answered by
21
cot( 660°)
= cot ( 360°×2- 60°)
= cot ( - 60°)
= - cot 60°
= - 1/3
= cot ( 360°×2- 60°)
= cot ( - 60°)
= - cot 60°
= - 1/3
Answered by
5
Answer:
Answer is
Step-by-step explanation:
cot 660°
= cot(6*100+60)
=cot60°
=-1/3
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