- Home
- Grade 12 Math
- Solving Trigonometric Equations
Solving trigonometric equations using sum and difference identities
- Lesson: 1a15:45
- Lesson: 1b13:10
Solving trigonometric equations using sum and difference identities
Basic Concepts: Reference angle, Find the exact value of trigonometric ratios, ASTC rule in trigonometry (All Students Take Calculus), Sum and difference identities
Related Concepts: Sine graph: y = sin x, Cosine graph: y = cos x, Derivative of trigonometric functions
Lessons
- 1.Utilizing "Sum and Difference Identities" to solve:a)sin(x+4π)+sin(x−4π)=−1,general solution in degreesb)cos3xcosx+sin3xsinx=0, 0≤x < 2π
Do better in math today
15.
Solving Trigonometric Equations
15.1
Solving first degree trigonometric equations
15.2
Determining non-permissible values for trig expressions
15.3
Solving second degree trigonometric equations
15.4
Solving trigonometric equations involving multiple angles
15.5
Solving trigonometric equations using pythagorean identities
15.6
Solving trigonometric equations using sum and difference identities
15.7
Solving trigonometric equations using double-angle identities
Don't just watch, practice makes perfect
Practice topics for Solving Trigonometric Equations
15.1
Solving first degree trigonometric equations
15.2
Determining non-permissible values for trig expressions
15.3
Solving second degree trigonometric equations
15.4
Solving trigonometric equations involving multiple angles
15.5
Solving trigonometric equations using pythagorean identities
15.6
Solving trigonometric equations using sum and difference identities
15.7
Solving trigonometric equations using double-angle identities