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| Q.13 | In a right-angled triangle PQR, right-angled at Q, the length of the side PR is 17 units, length of the base QR is 8 units, and length of the side PQ is 15 units. If ∠RPQ = α, then sinα + cosα is: | |
| Ans | 1.  | |
2.  | ||
3.  | ||
4.  |
Correct Ans Provided: 4
