Evaluating Trigonometric Functions Using the Reference Angle, Example 2

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  • เผยแพร่เมื่อ 1 ม.ค. 2025

ความคิดเห็น • 28

  • @Fadic4
    @Fadic4 9 ปีที่แล้ว +28

    dude. how does it feel that you're literately helping people have a better future? with out these i don't think ill make it through pre calc or calc 1 and 2. thank you so much.after i graduate and make some good money i will defiantly pay you something

    • @Andandand25
      @Andandand25 2 ปีที่แล้ว

      Did u ever give him some mone?

    • @Fadic4
      @Fadic4 2 ปีที่แล้ว

      @@Andandand25 I graduated, still broke my guy, i didn’t forget about him though, i will donate, to him and a few others.

  • @karamatqadri804
    @karamatqadri804 12 ปีที่แล้ว +2

    haha my teacher taught us through:
    1 Quadrant= All
    2 Quadrant= Students(Sin)
    3 Quadrant=Talk(Tangent)
    Its the only thing I have actually learned from her this entire year..
    4 Quadrant= Crazy!(Cosine)

  • @jducusin98
    @jducusin98 10 ปีที่แล้ว +1

    Thank you so much! I had so much homework regarding this topic today, you're a life saver!

  • @sera_venus
    @sera_venus 8 ปีที่แล้ว +4

    You saved me from dropping precalc this quarter, I thank you so much

    • @patrickjmt
      @patrickjmt  8 ปีที่แล้ว +5

      my pleasure! go be a donor on patreon for $1/mo :)

  • @howitzer150
    @howitzer150 6 ปีที่แล้ว +1

    How can we get the trig functions, in fractions, for angles that are not 0, 30, 45 ,60, 90? like sin(11pi/7), or sin(13pi/20)...tyvm

    • @patrickjmt
      @patrickjmt  6 ปีที่แล้ว +1

      calculator :) or a clever use of some identities

  • @Puppydog321
    @Puppydog321 13 ปีที่แล้ว

    how did you get 7pi over 6 ?? How can you tell?

  • @fff12345fff
    @fff12345fff 12 ปีที่แล้ว +1

    how about sec (98π/5)
    or tan28 ( radian Not degree )
    how can I know these big angles ?

    • @hahadakota4111
      @hahadakota4111 7 ปีที่แล้ว

      Frozen_H simple multiply 180 over pie

  • @miguelvalaguez8261
    @miguelvalaguez8261 7 ปีที่แล้ว

    Thanks so much dude! You are an amazing teacher!

  • @Shak27520
    @Shak27520 7 ปีที่แล้ว +1

    Where does the 6Pi/6 came from? In the 4th question

    • @GhostkillerPlaysMC
      @GhostkillerPlaysMC 7 ปีที่แล้ว +2

      not sure if you still need help but.. that's finding the reference angle.. 6pi/6 is one radian so basically what's left over is the reference angle.. at least that's my understanding of it

    • @Shak27520
      @Shak27520 7 ปีที่แล้ว +1

      ghost Thanks for your reply, But I've already figured it out after the comment..

  • @nimramohamederol
    @nimramohamederol 11 ปีที่แล้ว

    Wouldnt -pi/3 be in the third quad? Since its between pi and 3pi/2... may be??

  • @flawns
    @flawns 12 ปีที่แล้ว +3

    I paid $120 for my college text book, he does a better job explaining FOR FREE...I'm never buying a college book again

  • @digitalmedia16
    @digitalmedia16 8 ปีที่แล้ว

    this video was very helpful thanx!!!

  • @MegaDan13la
    @MegaDan13la 10 ปีที่แล้ว

    on the second exercise why is 6pi over 6???

    • @jeromeibanez6069
      @jeromeibanez6069 10 ปีที่แล้ว +2

      This reply might be a bit too late but he used 6pi over because he wants to substract it by pi and 6 pi oer 6 will give us pi. He used 6 as denominator so it's easy to subtract.

  • @RaghavpanduShukla
    @RaghavpanduShukla 12 ปีที่แล้ว

    thanks so much. this amazing!

  • @salove115
    @salove115 11 ปีที่แล้ว

    Thank you for uploading! Can you make a videos about Evaluating Trigonometric Functions using the Reference angle ( using DEGREE)

  • @alinormacarampat9083
    @alinormacarampat9083 9 ปีที่แล้ว

    thank you

  • @BenBrawn
    @BenBrawn 13 ปีที่แล้ว

    @Puppydog321 What?

  • @Smithjgwhs3
    @Smithjgwhs3 6 ปีที่แล้ว

    simply flip the fraction. no 1 over a fraction or anything, drop the extra detail

  • @rawanfouda2291
    @rawanfouda2291 6 ปีที่แล้ว

    ❤️❤️

  • @flawns
    @flawns 11 ปีที่แล้ว

    IF you can find it. not always successful