Question
If it is possible to form a meaningful English word by
using the 3rd, 5th, 6th, and 7th letter (from the left end) of the word ‘PLATTER’ then which of the following will be second letter of the word formed from the left end. If more than one such meaningful word is formed mark ‘Z’ as your answer. If no meaningful word is formed, mark ‘X’ as your answer?ÂSolution
3rd, 5th, 6th, and 7th letter (from the left end) of the word ‘PLATTER’ = A, T, E, R. Word formed = TEAR, RATE.
The value of sec2 45˚ + 2 tan 135˚ is –
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sin 60° × cos 30° − sin 30° × cos 60°
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sin 25° × cos 65° + sin 65° × cos 25°
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2 sin²θ + 3 sinθ − 2 = 0
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