Use basic identities to simplify 51113 a: + c052 a: Sin :17. Enclose arguments of functions in parentheses. For example, 5111(222). Remember that writing sin(x) to the fourth power as sin'1 (at) is just a mathematical shorthand. You should write it as (sin (3))4, which is what Mobius expects. ab sin {a} on a m] o - 3 sm x+cos2xsinar= @@