Mathematics
solve trigonometric equation for θ with 0 ≤ θ < 2 π

Question Description

tan^2(θ)-sec^2(θ)=cos(-θ) 

Student has agreed that all tutoring, explanations, and answers provided by the tutor will be used to help in the learning process and in accordance with Studypool's honor code & terms of service.

Final Answer

Thank you for the opportunity to help you with your question!

tan^2(θ)-sec^2(θ)=cos(-θ) 

-1=cos(θ)

tan^2(θ)-1-tan^2(θ)=cos(-θ)

-1=cos(-θ)

-1=cos(θ)

reference for rules I used:



http://www.sosmath.com/trig/Trig5/trig5/trig5.html


Please let me know if you need any clarification. I'm always happy to answer your questions.

Jordan B. (82)
Cornell University

Anonymous
Great! 10/10 would recommend using Studypool to help you study.

Studypool
4.7
Trustpilot
4.5
Sitejabber
4.4