(cos 44 -sin 44)/(cos 44+sin44)
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Step-by-step explanation:
(Cos44 - Sin44) / (Cos44+Sin44)
(Cos44 - Sin44)² / Cos²44 - Sin²44
Cos²44 + Sin²44 - 2Sin44*Cos44 / Cos(2*44)
1 - Sin88 / Cos88
Sec88 - tan88
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