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Solving trigonometric equations involving multiple angles
- Lesson: 1a18:44
- Lesson: 1b11:16
- Lesson: 1c11:22
- Lesson: 1d24:06
- Lesson: 216:50
Solving trigonometric equations involving multiple angles
Basic Concepts: Reference angle, Find the exact value of trigonometric ratios, ASTC rule in trigonometry (All Students Take Calculus)
Lessons
- 1.Solve the following equations
i) State the general solution
ii) 0≤x≤2πa)sin3x=−21b)cos2x=22c)tan2x=−1d)3sin22x−7sin2x=1−5sin2x - 2.Solve: sin2x−cos2x=0−180∘≤x≤180∘
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7.
Solving Trigonometric Equations
7.1
Solving first degree trigonometric equations
7.2
Determining non-permissible values for trig expressions
7.3
Solving second degree trigonometric equations
7.4
Solving trigonometric equations involving multiple angles
7.5
Solving trigonometric equations using pythagorean identities
7.6
Solving trigonometric equations using sum and difference identities
7.7
Solving trigonometric equations using double-angle identities
Don't just watch, practice makes perfect
Practice topics for Solving Trigonometric Equations
7.1
Solving first degree trigonometric equations
7.2
Determining non-permissible values for trig expressions
7.3
Solving second degree trigonometric equations
7.4
Solving trigonometric equations involving multiple angles
7.5
Solving trigonometric equations using pythagorean identities
7.6
Solving trigonometric equations using sum and difference identities
7.7
Solving trigonometric equations using double-angle identities