8. El/los valor/res de x para el/ igualdad \( \quad 2 \cos (\boldsymbol{x})=3 \mathrm{tg} \) verdadera, considerando es/son: A. Sólo \( \frac{\pi}{6} \) B. \( \frac{\pi}{6} y \frac{5}{6} \pi \) únicamente C. \( \frac{7}{6} \pi y \frac{11}{6} \pi \) únicamente D. \( \frac{\pi}{6}, \frac{7}{6} \pi, \frac{5}{6} \pi y \frac{11}{6} \pi \) E. Ninguna respuesta anterior e

Question 26 (3 points) \( \checkmark \) Saved Suppose that \( \sin (\theta)=1 / 8 \). What \( \sec (\theta)=\ldots \)...... (round to 3 decimal places)

MATHS IN ACTION REVIEW 1. Louis is a firefighter. He regularly takes the helicopter to check for fires or to help people in difficulty. Today, he heads out from the base in a direction of \( 290^{\circ} \). Mark that heading on the diagram. In which direction is he heading (north, northeast, east, southeast, south, southwest, west, or northwest)?

Question 1 (2 points) Suppose that \( \sin (a)=4 / 8 \) and \( \cos (b)=1 / 8 \) define in the first quadrant, determine \( \cos (a-b) \). (round to 4 decimal places)

Question 1 (2 points) Suppose that \( \theta=\arcsin (1 / 7) \). What is \( \sin (2 \theta) \) ? (round to 4 decimals) Your Answer:

Suppose that \( \frac{\pi}{2} \leq \theta \leq \pi, \sin (\theta)=4 / 10 \), find \( \cos (\theta)=\ldots \) Your Answer: