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A dishonest dealer professes to sell his goods at the cost price but uses a false weight of 900 g instead of 1 kg. His gain percent is:
The value of (tan29°cot61°-cosec261°)+cot254°-sec236°+(sin21°+sin23°+sin25°+.....+sin289°) is:
Tap P can fill a cistern in 6 hours and tap Q can empty the full cistern in 10 hours. If both taps P and Q are kept open simultaneously, then in how many hours will the empty cistern be completely full ?
A car travels 228 km in 3 hours. How long will it take to travel 912 km & how far will it travel in 7 hours?
If \(tan^2θ = 1-e^2\) , then the value of \(secθ + tan^3 θ.cosecθ\) is: