Evaluate the following: `i^(135)`

Evaluate the following: (i) i^(135) " "(ii) i^(19) " " (iii) i^(-999) " " (iv) (-sqrt(-1))^(4n + 2), n in N .

Evaluate the following: i) tan135^(@) ii) sec150^(@) iii) cot240^(@) iv) "cosec"1950^(@) v) cos(-1125^(@)) vi) tan(-1470^(@)) vii) tan1710^(@) viii) cot(-1770^(@))

Evaluate the following: i) tan135^(@) ii) sec150^(@) iii) cot240^(@) iv) "cosec"1950^(@) v) cos(-1125^(@)) vi) tan(-1470^(@)) vii) tan1710^(@) viii) cot(-1770^(@))

Evaluate the following : {[[1,3],[-1,-4]]+[[3,-2],[-1,1]]}[[1,3,5],[2,4,6]]

Find the values of of the following: i) cos 135^(@) ii) sin(-780^(@)) iii) "cosec" 1920^(@)

Find the values of of the following: i) cos 135^(@) ii) sin(-780^(@)) iii) "cosec" 1920^(@)

Find the value of the following : (a) sin 120^(@) (b) cos 135^(@) (c ) tan 150^(@)

Find the value of x in the following 5^(x-2)xx3^(2x-3)=135

Find the values of the following allied angles : (vii) cos 135^(@)