Examples

Example (Q3)

📅 Published: 3 July, 2025 🔁 Updated: 10 July, 2025 🕒 Read: 1 min

Consider △ACB, right-angled at C, in which AB = 29 units, BC = 21 units and ∠ABC = θ (see Fig. 8.10). Determine the values of
(i) cos2 θ + sin2 θ,
(ii) cos2 θ – sin2 θ.
Consider  △ACB, right-angled at C, in which AB = 29 units, BC = 21 units and ∠ABC = θ (see Fig. 8.10). Determine the values of (i) cos2 θ + sin2 θ, (ii) cos2 θ – sin2 θ. 

📚 Submitted Answer

Ravi (2025-07-09 15:41:58)

✔ Verified Answer
⬅️ Previous Post
Next Post ➡️