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Find the value of \(7875 \times 4574 \times697 \over82\)
If tan (θ1 + θ2) = √3 and sec (θ1 - θ2) = 2/√3 , then the value of sin2θ1 + tan3θ2 is equal to (assume 0°< θ1 - θ2 < θ1 + θ2 < 90°
25 persons can complete a work in 60 days. They started the work. 10 persons left the work after x days. If the whole work was completed in 80 days, then what is the value of x ?
A grocery dealer cheats to the extent of 10% while buying as well as selling by using false weight. What is his actual gain % in whole process?
The value of \(sin(78^0+\theta)-cos(12^0-\theta)+(tan^270^0-cosec^220^0)\over sin25^0cos65^0+cos25^0sin65^0\) is :