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Trigonometry

Reference angleTrigonometry

Find the exact value of trigonometric ratiosTrigonometry

ASTC rule in trigonometry (**A**ll

**S**tudents

**T**ake

**C**alculus)

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- GCE O-Level A Maths
- Solving Trigonometric Equations

Still Confused?

Try reviewing these fundamentals first.

Trigonometry

Reference angleTrigonometry

Find the exact value of trigonometric ratiosTrigonometry

ASTC rule in trigonometry (Still Confused?

Try reviewing these fundamentals first.

Trigonometry

Reference angleTrigonometry

Find the exact value of trigonometric ratiosTrigonometry

ASTC rule in trigonometry (Nope, I got it.

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Get Started Now- Lesson: 1a18:44
- Lesson: 1b11:16
- Lesson: 1c11:22
- Lesson: 1d24:06
- Lesson: 216:50

Basic concepts: Reference angle, Find the exact value of trigonometric ratios, ASTC rule in trigonometry (**A**ll **S**tudents **T**ake **C**alculus),

- 1.Solve the following equations

i) State the general solution

ii) $0 \leq x \leq 2\pi$a)$\sin 3x = - {1 \over 2}$b)$\cos 2x = {\sqrt2 \over 2}$c)$\tan {x \over 2} = -1$d)$3\sin^2 2x -7 \sin 2x = 1 - 5 \sin 2x$ - 2.Solve: $\sin 2x - \cos 2x = 0$$-180^\circ \leq x \leq 180^\circ$

27.

Solving Trigonometric Equations

27.1

Solving first degree trigonometric equations

27.2

Determining non-permissible values for trig expressions

27.3

Solving second degree trigonometric equations

27.4

Solving trigonometric equations involving multiple angles

27.5

Solving trigonometric equations using pythagorean identities

27.6

Solving trigonometric equations using sum and difference identities

27.7

Solving trigonometric equations using double-angle identities

We have over 1450 practice questions in GCE O-Level A Maths for you to master.

Get Started Now27.1

Solving first degree trigonometric equations

27.2

Determining non-permissible values for trig expressions

27.3

Solving second degree trigonometric equations

27.4

Solving trigonometric equations involving multiple angles

27.5

Solving trigonometric equations using pythagorean identities

27.6

Solving trigonometric equations using sum and difference identities

27.7

Solving trigonometric equations using double-angle identities