Consider the graph and determine its type of function. Enter 1 if the function is of the form \( f(x)=a \sin x \). Enter 2 if the function is of the form \( f(x)=a \cos x \). Find the amplitude a of the function. (1 point) Function type: \( \square \)

В треугольнике \( A B C \) угол \( C \) равен \( 90^{\circ}, \operatorname{tg} A=\frac{33}{4 \sqrt{33}}, A C=4 \). Найдите 1B.

35. Diketahui segitiga ABC siku-siku di \( \mathrm{B}, \mathrm{a}=8 \mathrm{~cm} \) dan \( \mathrm{c}=6 \mathrm{~cm} \), maka nilai \( \cos A=\cdots \) a. \( \frac{4}{3} \) b. \( \frac{4}{5} \) c. \( \frac{5}{3} \) d. \( \frac{3}{5} \) e. \( \frac{3}{4} \)

Given that \( \theta \) is an obtuse angle and \( \operatorname{cosec} \theta=k \), express, in terms of \( k \) (a) \( \cot \theta \)

(\$) Find the exact value of the followings using ceference ingles. (YOU SHOULD SHOW ME THE WAY TO USE REFERENCE ANGLES TO GET CREDITS.) \[ \sec \left(-\frac{4 \pi}{3}\right)=-\sec \left(60^{\circ}\right) \]

8. En la expresión \( \frac{\operatorname{sen} 1125^{\circ}-\cos 2940^{\circ}+\tan 1830^{\circ}}{\operatorname{sen} 1410^{\circ}} \) se pide a) Escribir cada función trigonométrica en función del ángulo de referencia b) Calcular su valor rea.