1.

Simplify and write the trigonometric expression in terms of sine and cosine: 1 cot( - x)cos( - x) + sin( - I) = - f(x) f(@) =Solve sink) = (135 on [I i: I {I 211'. There are two solutions, A and B, with A c: B. Give yDUT answer5 accurate to 3 decimal places. Simplify and write the trigonometric expression in terms of sine and cosine: 1 + cosy 1 + sec yFind all solutions to 23mm} = 1 en the interval [1 :1: I9 *1: 2m 5' Give YDUT answers as exact values, as a list separated by commas