Set 58 — Trig Identity — Pythagorean
10 questions · 📖 Tutor Mode · ⏱ 15 min
0 answered · 10 remaining
⏱ 15:00
Trig Identity — Pythagorean
1 / 10
WAEC 2020
Prove that sin²θ + cos²θ = 1. Use it to find sin θ if cos θ = 3/5.
10 questions · 📖 Tutor Mode · ⏱ 15 min
WAEC 2020
Prove that sin²θ + cos²θ = 1. Use it to find sin θ if cos θ = 3/5.