Solving simple trig equations

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A couple of examples of how to solve trigonometric equations involving a primary ratio (sine, cosine, tangent). These solutions use the CAST rule to figure out which quadrants the solutions will be in, then uses a calculator and some logic to find the solutions.

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Thank you so much for this video!! I have searched for roughly an hour watching 20 or so videos, and none of them are as straightforward as this one!!

justkrimzz

Thank you! I'm struggling so horribly with trigonometric equations. My class is onto the difficult ones and I barely understand simple ones... Time to teach myself what on earth my teacher is trying to teach me!

VyPham-kilp

I missed a week's worth of class on this, u are a life saver!

pronk

Great video. I graduated highschool a few years ago, but i never did good at trig. One of those things they just ignore and then you move on.

And just like that, in a few minute video, i have a far greater understanding of this. Thank you. You must be a good teacher

macktapp

Thank you Brandon! I come from a school in Italy and for some reason here (also online) they make the process look so much more complicated.

spaghetboi

Thank you so much! I've been so confused in my pre-calc class and my professor doesn't teach us anything at all so this made me understand so quickly!

Kaitwof

Thankyou for not draining my soul and keeping it to the point

jeremyfisher

Omg thank you so much for this video 🙏 I was sick the day my teacher taught us the lesson and I had no idea what I was doing 😭😭

BryerArtStudios

Thank you, you gave me a big aha moment when u mentioned that the inverse only goes to 180. But you can always take that number and do - and then 360 and then you get a positive value?

RandyVidz