If Sec θ = 25/24 , then what is the value of Sin θ?

Δ DEF is right angled at E. If m∠D = 45°, then what is the value of cosecF X cotD?

What is the value of (1/2) Sec 30° + √2 Tan 60°?

ΔXYZ is similar to ΔPQR. If ratio of Perimeter of ΔXYZ and Perimeter of ΔPQR is 16:9 and PQ = 3.6 cm, then what is the length(in cm) of XY?

What is the slope of the line parallel to the line passing through the points (5, -1) and (4, -4)?

Point A divides segment BC in the ratio 4:1. Co-ordinates of B are (6 , 1) and C are (7/2 , 6). What are the co-ordinates of point A?

What is the reflection of the point (5, -2) in the line x = -1?

What is the sum of the first 9 terms of an arithmetic progression if the first term is 7 and last term is 55?