The value of the expression (1 + sec 22? + cot 68?)(1 − cosec 22? + tan 68?) is
Show answer & explanation
Correct answer: D
Explanation
The correct option is 4.
(1 + sec 22∘ + cot 68∘)(1 − cosec 22∘ + tan 68∘)
(1 + sec 22∘ + tan 22∘)(1 − cosec 22∘ + cot 22∘)
