# StatuEkspoalcnsian ha rigonometriBaru sajaBentuk lain dari e* adalah:e =e*tiy=e ey = e*(cos y +i sin y)Contoh !e2-Note:cos(-0) cos@ dan sin(-0)=sinele=cOse+i sine-18=cose-i sinTentukanlah hasil dari e-e- dan e+ e-ie16Fungsi Trigonometri Bilangan Komplekseln-e-i0sin @ =2icose =81-2+mTentukanlah nilai dari:cosi=in(+In 2) = (jika ef/2 = i, e-ir/2 = -i,eln 2 = 2,e-in 2-Buktikan sin2 z+Cosz=1sinFungsi HiperbolikTentukan persamaan dari sin iy dan cos iy dengan menggunakanpersamaan sebelumnya!Setelah didapat persamaan di atas, baru lah di dapat fungsi yangdinamakan dengan sinus dan cosinus hiperbolik. Secara matematisdapat ditulisBuktikan coshz - sinh2 z 118Logaritma

Question
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Prove from the questions in the blue circle

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Step 1

Given trigonometric equation is,

Step 2

Since, the exponential form for coshx and sinhx are

Step 3

Now, substitute the values of coshx and sinhx in ...

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