Uploaded October 2025 | Updated September 2026, 2 weeks ago
We will see how to solve the trig equation sin(2*theta)+sqrt(2)*cos(theta)=0, and the key here is to use the double angle identity for sine. This question is from Reddit r/trigonometry reddit.com/r/trigonometry/s/rUKHDTKmrJ Subscribe to @bprpmathbasics for more precalculus tutorials.
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I help students master the basics of math. You can show your support and help me create even better content by becoming a patron on Patreon 👉 patreon.com/blackpenredpen.
Get your "algebra" t-shirt 👉 amzn.to/3A8Ed4k
Every bit of support means the world to me and motivates me to keep bringing you the best math lessons! Thank you!
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#math #algebra #mathtutorials
We will see how to solve the trig equation sin(2*theta)+sqrt(2)*cos(theta)=0, and the key here is to use the double angle identity for sine. This question is from Reddit r/trigonometry reddit.com/r/trigonometry/s/rUKHDTKmrJ Subscribe to @bprpmathbasics for more precalculus tutorials.
-----------------------------
I help students master the basics of math. You can show your support and help me create even better content by becoming a patron on Patreon 👉 patreon.com/blackpenredpen.
Get your "algebra" t-shirt 👉 amzn.to/3A8Ed4k
Every bit of support means the world to me and motivates me to keep bringing you the best math lessons! Thank you!
-----------------------------
#math #algebra #mathtutorials
