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(1 + sec 22° + cot 68°)(1 − cosec 22° + tan 68°) (1 + sec 22° + cot 68°)(1 − cosec 22° + tan 68°) (1 + 1/cos22° + (sin 22° / cos22°) )(1 – (1/sin22°) + (cos22° / sin22°)) ((1+cos 22° +sin 22°) / (cos22°)) ((cos22° +sin 22° −1) / (sin22°)) (sin2 22° + cos2 22° + 2cos22° × sin22° −1) / (cos22° sin22°) (1+2cos22° sin22° −1) / (cos22° sin22°) = 2
If D and E are the mid points of AB and AC respectively of ∆ ABC, then the ratio of the areas of ADE and BCED is ?
A bag contains notes of Rs.10, Rs.20, and Rs.50 in the ratio of 1:3:5. If the total value of money in the bag is Rs.1920, find the number of Rs.20 notes.
The simplest form of the ratio of 2.5 : 6.5 is _____.
