Q41 of 303 Page 4

Answer each of the following questions in one word or one sentence or as per exact requirement of the question:

Write the value of .


Let tan θ = 1/5


Given tan (2 tan-1 1/5) = tan 2θ


We know that






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Answer each of the following questions in one word or one sentence or as per exact requirement of the question:

Write the principal value of .


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Answer each of the following questions in one word or one sentence or as per exact requirement of the question:

Write the principal value of .


 42

Answer each of the following questions in one word or one sentence or as per exact requirement of the question:

Write the principal value of .


 43

Answer each of the following questions in one word or one sentence or as per exact requirement of the question:

Write the value of .