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 is equal to A)  B) C) 0 D)  

 

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Let. Then, We know that the range of the principal value branch of Let. The range of the principal value branch of The correct answer is B.
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Let. Then,

We know that the range of the principal value branch of

Let.

The range of the principal value branch of

The correct answer is B.

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Ans=B Because inverse of negative cot=pi-inverse of cot And sum of same angle of inverse of cot and tan will be pi/2. So answer B is correct
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Option B.
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C
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Math Magician, play with maths.

B is right
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Online pte trainer with 2 years of experirnce. Also teach maths and science.

B
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It is B option, since Tan^-1(sqrt3)=pie/3 Cot^-1(-sqrt3)=5pie/6+k.pie, where k=integer Put k=0,you will get your answer. Feel free to contact me for further details.
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Find the values of each of the expressions 

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3. 

1. Ans. = 2. Now, can be written as: 3. Ans.
Geeta
0 0
7
  is equal to A)  B)  C)  D) 
We know that cos−1 (cos x) = x if, which is the principal value branch of cos −1x. Here, Now, can be written as: cos−1(cos7π6) = cos−1cos−1(cos7π6) = cos−1 ...
Priyanka

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