7sin²θ + 3cos²θ = 4sin²θ + 3sin²θ+3cos²θ = 4 4sin²θ + 3(sin²θ + cos²θ) = 4 4sin²θ + 3 (1) = 4 4sin²θ = 4 - 3 = 1 4sin²θ = 1 sin²θ = 1/4 → sinθ = 1/2 sin30° = 1/2 Hence, θ = 30°
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Quantity 1: A car travels from City A to City B, a distance of 240 km, at a speed of 60 km/h. find the total time taken.
Quantity 2: The time tak...
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Direction: The question consists of two quantities, choose the correct option which represents the correct relation between Quantity I and Q...
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Quantity I. Part lent at 5% SI.
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