Practicing Success
Find the value of (1+sec22° + cot68°)(1-cosec22° + tan68°) |
0 -1 1 2 |
2 |
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 |