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What is the value of cot35^@ cot40^@ cot...

What is the value of `cot35^@ cot40^@ cot45^@ cot50^@ cot55^@` ?
`cot35^@ cot40^@ cot45^@ cot50^@ cot55^@` का मान क्या है ?

A

`-1`

B

2

C

1

D

0

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PINNACLE-TRIGONOMETRY-EXERCISE
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  3. What is the value of cot35^@ cot40^@ cot45^@ cot50^@ cot55^@ ? cot3...

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  8. If cosec^2 x-2=0, then the value of x(0 < x < 90^@) is: यदि cosec^2 ...

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  11. If Sec A =5/3, then what is the value of Cot A? यदि Sec A =5/3, तो ...

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  16. If theta is a positive acute angle and tan2 theta.tan3 theta=1, then t...

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  17. If sin(A+B) = cos(A-B) = sqrt3/2 and A and B are acute angles. The mea...

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