Learn how to solve trigonometric equations in Higher Maths involving multiple or compound angles and the wave function in degrees or radians.

Продолжительность: 13:57
Опубликовано: 24 февр. 2019 г.

15 сент. 2022 г. · Example 6.7. Solve the equation sin2θ = sinθ. Solution: Here we use the double-angle formula for sine: sin2θ = sinθ2sinθ cosθ = sinθsinθ (2cosθ− ...

Продолжительность: 8:27
Опубликовано: 5 авг. 2020 г.

Find all the solutions, in the interval 0 ≤ x < 2π, of the equation. 2 cos2 x + 1 = 5 sin x, giving each solution in terms of π.

Trigonometric equations can be solved in degrees or radians using CAST and its period to find other solutions within the range, including multiple or compound ...

21 дек. 2021 г. · Use a calculator to solve the equation sec θ = −4 , sec θ = −4 , giving your answer in radians. Solution. We can begin with some algebra.

12 сент. 2023 г. · How are trigonometric equations solved? · For an equation in sin or cos you can add 360° or 2π to each solution to find more solutions · For an ...

Example: Solving sin ⁡ ( x ) = 0.55 ‍ · We use the identity sin ⁡ ( θ + 2 π ) = sin ⁡ ( θ ) ‍ to extend the two solutions we found to all solutions. · x = 0.58 + ...

Продолжительность: 1:35:22
Опубликовано: 1 июн. 2020 г.