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If secθ + tanθ = 2 51 then the value of sin θ is secθ - tanθ 79
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39 72 -
65 144 -
35 72 -
91 144
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Correct Option: B
= 2 | sec θ - tan θ | 79 |
= | 79 | 79 |
By componendo and dividendo,
= | sec θ + tan θ - sec θ + tan θ | 209 - 79 |
= | 2 tan θ | 130 |
= | tan θ | 65 |
∴ sinθ = | = | sec θ | 144 |