1.

Find the value of cot10°.cot20.cot30°, cot40° cot90°.​

Answer»

Step-by-step explanation:

GIVEN:-

cot10°.cot20.cot30°, cot40° cot90°.

To find:-

Find the VALUE of cot10°.cot20.cot30°, cot40° cot90°.

Solution:-

Given that :

cot10°.cot20.cot30°, cot40° cot90°.

We know that COT 90° = 0

So it can be written as

=>Cot 10°. Cot 20°. Cot 30°. (0)

=>0

Therefore,cot10°.cot20.cot30°, cot40° cot90° = 0

Answer:-

The value of ,cot10°.cot20.cot30°, cot40° cot90° is 0

Used formulae:-

  • Cot 90° = 0
  • For any real number a ,a×0=0×a = 0



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