The value of `7(7^-1)`

The value of (-1+i)^(7) is

The value of cot7(1)/(2) is

The value of 7^((1)/(2)).8^((1)/(2)) is

The value of cot^(-1)(cot(7pi)/(4)) is:

The value of tan7(1)/(2^(@)) equal to

What is the value of (3.7)^(2) - (1.7)^(2) ?

The value of [C(7,0)+C(7,1)]+[C(7,1)+C(7,2)]+...+[C(7,6)+C(7,7)]

The value of (.^(7)C_(0)+.^(7)C_(1))+(.^(7)C_(1)+.^(7)C_(2))+(.^(7)C_(6)+.^(7)C_(7)) is (A)2^(7)-1(B)2^(8)-2(C)2^(8)-1(D)2^(8)

The value of (1/i^7) is

The value of (1)/(i^(7)) is