Mathematics

Problem

11. State whether the following are true or false. Justify your answer. (i) The value of

\tan \mathrm{A}

is always less than 1 . (ii)

\sec \mathrm{A}=\frac{12}{5}

for some value of angle A . (iii)

\cos \mathrm{A}

is the abbreviation used for the cosecant of angle A . (iv)

\cot \mathrm{A}

is the product of

\cot

and A . (v)

\sin \theta=\frac{4}{3}

for some angle

\theta