‹
✏️
Trigonometry
· Examples✏️ Worked Examples — Step by Step
E1
EasyValue of sin 60°:
💡 Standard value.
👁 Show Solution
sin 60° = √3/2. ✅ Answer: √3/2
✅√3/2
E2
MediumA right triangle has hypotenuse 12, angle 30°. Opposite side?
💡 sin 30° × hyp.
👁 Show Solution
opp = 12 × sin 30° = 12 × 1/2 = 6. ✅ Answer: 6
✅6
E3
ChallengingSimplify: (sin θ × cos θ) / cos θ
💡 Cancel cos θ.
👁 Show Solution
cos θ cancels in numerator and denominator → sin θ (provided cos θ ≠ 0). ✅ Answer: sin θ
✅sin θ