6. T × sin60° × tan30° = cosec30° × cot45°. Find T.
A) 1 B) 3 C) 5 D) 4
7. If 7sinθ + 24cosθ = 25; Find the value of 7cosecθ + 24tanθ.
A) 32 B) 30 C) 38 D) 42
11. secθ + tanθ = 7 Find the value of 4 + 7secθ?
A) 20 B) 22 C) 24 D) 29
12. cosecθ + cotθ = 5. Find the value of 11 + 12tanθ
A) 11 B) 13 C) 14 D) 16
15. 10secθ − 3tanθ = 12. Find the value of 3secθ − 10tanθ.
Sol: 10secθ − 3tanθ = 12
3secθ − 10tanθ = ‘d’
If asecθ − btanθ = c
18. cos10° cos20° cos40° cos90°
A) 4 B) 2 C) 1 D) 0
Sol: cos 10° cos20° cos40° cos90°
Since cos90° = 0
cos10° cos20° cos40° cos90° = 0
Ans: D
