Solving Trigonometric Equations Multiple Angles

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Learn how to solve multiple angle Trig Equations writing the answer as a general solution in this free math video tutorial by Mario's Math Tutoring.

0:09 Example 1 Solve 2sin(2x)=1 Giving General Solution in Radians
2:29 How to Solve from 0 to 2pi
3:35 Example 2 Solve 3(tan(4x))^2 - 1 = 0
6:20 Example 3 Solve 2cos(x/2)= sq. rt.(3) in Degrees
8:21 Example 4 Solve 5(sec(3x))^2 = 10
10:48 Bonus Solve csc(4x) = 1

Related Videos:

Solving Trig Equations

Master the Unit Circle

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  2. multiple angle trig equations
  3. multiple angle
  4. trig equations
  5. trigonometric equations
  6. trigonometry
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Комментарии
Автор

How r u saying cos is X co ordinate and can't understand unit circle diagram and taking angles plz solve my doubts

vinaykumarbro
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Thank you so much! I have been struggling with trigonometric identities. this video and channel is awesome! keep it up :)

shreeyapatel
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Sir please can you clear my worries for the last question on 5sec²(3x)=10, ?. I thought we would only consider the 1st and 4th quadrant because that is where cosine is positive, but u took everything, meanwhile it was so for the previous questions. Please someone help me

tata
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How come you are not using the half angle formula, or double angle formula?

chiozo
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What are the basic skills needed to solve these types of problems (be specific

PJBoy
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what if the domain was from - pi and not from 0?

othaila
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Can you please tell me how I can watch the endings of most of your videos. They cut off right when my questions are going to be answered. Or is it again you pay if you want to learn?! In that case only people with money would learn, so even on line learning becomes segregated based on fiscal abilities of different demographics....I understand you have to pay for equipments and also your time to make these videos but is it fair to exclude some students? I wish you weren't such an amazing teacher so that I wouldn't have had to ask and hence feel so humiliated on the world wild web...

thedeathofbirth