The value of `sin1.cos2.tan3.cot4.sec5.cosec6` is (1) Positive (2) Negative (3) Zero (4) May be positive and Negative

If vec(j) and vec(E ) are current and electric field inside a current carrying conductor at an instant then vec(j). Vec( E ) is (1) Positive (2) Negative (3) Zero (4) May be positive or negative

If vec(j) and vec(E ) are current and electric field inside a current carrying conductor at an instant then vec(j). Vec( E ) is (1) Positive (2) Negative (3) Zero (4) May be positive or negative

If vec(j) and vec(E ) are current density and electric field inside a current carrying conductor at an instant then vec(j). vec( E ) is (1) Positive (2) Negative (3) Zero (4) May be positive or negative

The value of sin 200^(@) + cos 200^(@) is.......... A) Negative B) Positive C) Zero D) Zero or positive

The value of the expression sin theta+cos theta is 1) Never zero , 2) Positive for theta=100^(@) 3) Negative for theta=100^(@) 4) Equal to 2 for some theta

The value of cot ( cosec^(-1) 5/3 + tan^(-1). 2/3) is

The value of cot("cosec"^(-1)5/3+"tan"^(-1)2/3) is