HPC WB3.6 - Double Angle Identities

Last updated about 5 years ago
8 questions
1

Find \tan 2\theta when \sin \theta = -\frac{4}{5} and \pi \leq \theta < \frac{3\pi}{2}.

1

FInd \cos 2\theta when \sin \theta = \frac{4}{5} and 0 \leq \theta < \frac{\pi}{2}.

1

Find \cos 2\theta when \tan\theta = -\frac{4}{3} and \frac{3\pi}{2} \leq \theta < 2\pi.

1

Find \cos 2\theta when \sin\theta=\frac{15}{17} and \frac{\pi}{2} \leq \theta < \pi.

1

Find \sin 2\theta when \cos\theta = -\frac{3}{5} and 90 \leq \theta < 180.

1

Find \sin 2\theta when \sin\theta = \frac{4}{5} and 0 \leq \theta < 90.

1

Find \tan 2\theta when \sin\theta = -\frac{1}{2} and 180 \leq \theta < 270.

1

Find \tan 2\theta when \sin\theta = -\frac{15}{17} and 270 \leq \theta < 360.