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شائع >

simplify cos(θ-540)

الحلّ

simplify

cos (θ - 54 0^{\circ})

الحلّ

- cos (θ)

خطوات الحلّ

cos (θ - 54 0^{\circ})

Rewrite using trig identities

= - cos (θ)

أمثلة شائعة

simplify (-cos(x))/(cos^2(x))simplify

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