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trigonometric function: $\displaystyle \int \dfrac{dx}{\cos(x) \sin(x)}$
Trigonometric Functions | Fundamental Integration Formulas
Trigonometric Substitution | Techniques of Integration
trigonometry
Trigonometry: Velocity of belt driving a pulley
Trim and stability
Truncated Cylinder
Truss deformation
Truss With Tension-Only Diagonals
truss: simply supported right-angle triangle truss
Trusses
Twice the larger of two numbers is three more than five times the smaller, and the sum of four times the larger and three times the smaller is 71. What is the smaller number?
Two candles of the same height are lighted at the same time.
Two cars A and B are traveling at the speed of 30 kph and 40 kph respectively on two different roads making an angle of 30 deg with each other.
Two casks A and B were filled with two kinds of sherry. In cask A, the ratio of the two kinds of sherry is 2:7 while in B, it is 1:5.
Two different quarter ellips crossing determination
Two forces of 20 units and 30 units act at right angles. What is the magnitude of the resultant force?
Two Gamblers Play Until One is Bankrupt: Chance That the Better Player Wins
Two identical bars PQ and RS each weighing 75 N each are welded together to form a Tee and are suspended in a vertical plane as shown in the figure.
Two men starting at the same point walk in opposite direction for 4 meters turn left and walk another 3 meters. What is the distance between them?
Two particles released from the same height and reached the base at the same time
Two regular pentagons are concentric to each other. One of which has sides of 20 m and the other has sides of 10 m. If their corresponding vertices are in the same direction, find the area inside the larger pentagon but outside the smaller pentagon.
two straight line are perpendicular to each other an observer is on one road and 180m
Two triangles have equal bases. The altitude of one triangle is 3 units more than its base while the altitude of the other is 3 units less than its base. If the areas of the triangles differ by 21 square units, find the altitude of the smaller triangle.
Two vertices of a rectangle are on the positive x-axis. The other two vertices are on the lines y = 4x and y = 6 - 5x. What is the maximum possible area of the rectangle?
Types of Annuities