Trigonometry, 2ADV EQ-Bank 5 MC

A tower \(B T\) has height \(h\) metres.

From point \(A\), the angle of elevation to the top of the tower is 26° as shown.
 

Which of the following is the correct expression for the length of \(A B\) ?

1. \(h\, \tan 26^{\circ}\)
2. \(h\, \cot 26^{\circ}\)
3. \(h\, \sin 26^{\circ}\)
4. \(h\, \operatorname{cosec}\, 26^{\circ}\)