Back to 9.5 Solving Trigonometric Equations

9.5 Exercise 204

Avg difficulty 2.5

Find all solutions exactly on the interval 0≤θ≤π 0 \leq \theta \leq \pi

Find sin( θ 2 ),cos( θ 2 ), \sin \left(\frac{\theta}{2}\right) , \cos \left(\frac{\theta}{2}\right) , and tan( θ 2 ) \tan \left(\frac{\theta}{2}\right) given cosθ= 7 25 \cos \theta = \frac{7}{25} and θ \theta is in quadrant IV.

OpenStax Algebra and Trigonometry 2e, 9.5 Solving Trigonometric Equations, exercise 204

AI Tutor

Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.