2014 · Q61
What is cosec (75° + θ) - sec (15° - θ) - tan (55° + θ) + cot (35° - θ) equal to?
Elementary MathematicsTrigonometry
- A-1
- B0
- C1
- D3/2
Explanation
cosec(75°+θ) = sec(15°-θ) and tan(55°+θ) = cot(35°-θ); the pairs cancel to 0.
What is cosec (75° + θ) - sec (15° - θ) - tan (55° + θ) + cot (35° - θ) equal to?
Explanation
cosec(75°+θ) = sec(15°-θ) and tan(55°+θ) = cot(35°-θ); the pairs cancel to 0.