Q287
What is the value of cosec(65° + θ) - sec(25° - θ) + tan220° - cosec270°?
A.
-1
AnswerB.
0
C.
1
D.
2
Answer: Option A
Solution
Answer: Option A
Solution:
cosec(65° + θ) - sec(25° - θ) + tan220° - cosec270°= sec(25° - θ) - sec(25° - θ) + tan220° - sec220°
= tan220° - sec220°
= -1