Question
Solution
=> 5 sin2Ɵ + 14 cos Ɵ = 13 => 5(1 - cos2Ɵ) + 14 cos Ɵ = 13 => 5 - 5 cos2Ɵ + 14 cos Ɵ = 13 => 5 cos2Ɵ - 14 cos Ɵ + 8 = 0 => (sec Ɵ + cot Ɵ)/(cosec Ɵ + tan Ɵ) => [5/4 + 4/3]/ [5/3 + 3/4] => 31/29
The headquarter of RBI is situated at-
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2.    ...
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Within the arctic circle the day and night are of 6 months each becauseÂ
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