Demostrar Comprobar Identidades Trigonométricas | Ejemplo 2

Explanation of the steps for checking or verifying trigonometric identities, second example of checking or verifying, explaining some tips to keep in mind, within the Trigonometric Identities course. Complete Trigonometric Identities Course:    • Identidades Trigonométricas (Curso COMPLETO)   _________________________________________________________________ If you want to help me keep the channel growing, you can: Subscribe: https://www.youtube.com/matematicaspr... Contribute to the channel with a donation: paypal.me/profeAlex Become a channel member: https://www.youtube.com/matematicaspr... _________________________________________________________________ Visit my website: www.MatematicasProfeAlex.com Follow me on my social media: Facebook:   / matematicasprofealex   Instagram:   / matematicasprofealex   Contact: Business and press only: [email protected] 0:00 Greetings 0:15 Example solution 9:50 Second way to solve the example 13:30 Practice exercise