Find the value of cot10° cot15° cot75° cot80° .
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2
Answer:
1
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hey nar here is ur ans
cot10°cot15°cot75°cot80°
cot(90-80)°cot(90-75)°cot75°cot80°
tan80°tan75°cot75°cot80°
1/(cot80°cot75°).cot75°cot80°
= 1
hope it help u
madhav12272:
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