Find the value of (1+sec22° + cot68°)(1-cosec22° + tan68°)
Answer & explanation
Correct answer: option 4
If in expression sum of angles is 90° then
Put every θ = 45° or anything
(1+sec22° + cost68°)(1-cosec22° + tan68°) = (1+\(\sqrt {2}\)+1)(1-\(\sqrt {2}\)+1)
(2)2 - (\(\sqrt {2}\))2 = 2