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

The value of sin1.cos2.tan3.cot4.sec5.cos ec6 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