Question
The cost price of 25 items is the same as the selling
price of 20 items. Find the gain per cent.Solution
According to the question 25 CP =20 SP CP: SP=4:5 Let CP = 4unit and SP = 5unit Profit =5-4 = 1 unit Profit percentage = (1/4) × 100 = 25%
∆ PQR is right-angled at Q. If ∠R = 60º, then find the value of cosec P.
- If sin (a + b) = (√3/2) and cos (a – b) = (√3/2), then find sin a.
Evaluate 3sin x – 4 sin3 x and figure out the correct answer from below option ?
If x - √(3y) =19 Then find the slope in angle?
If x = 4 cos A + 5 sin A snd y = 4 sin A – 5 cos A, then the value of x2+y2 is :
A ladder is leaning against a wall, making an angle of 60° with the ground. The top of the ladder reaches a window 15 meters above the ground. Find the...
if 8 sin 2 x + 3 cos 2 x = 4  then find tan x
If sec²x + csc²x = 10, find the value of tan²x + cot²x.
If tan A = 1 and tan B = √ 3, what is the value of cos A . cos B - sin A . sin B?
Simplify the following trigonometric expression: 12 cos 68° cosec 22° - 3 cot 72° cot 18°
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