In the given figure, Cosθ is equal to:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 5/13.
| Understanding/Application |
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QR = 12 cm QP = 13 cm cosθ = PR/QP |
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Applying pyth. th. - PR2 + QR2 = PQ2 PR2 + 122 = 132 PR2 = 25 PR = 5 cm cosθ = 5/13 |