October 2018 2 135 Report
Guys plisss bantu banget..
1.sederhanakanlh bentuk persamaan berikut ini.
a. cos a x cosec a x tan a ,?
b. cos b x cotan b x sin b ,?

2.sederhanakanlah bentuk ekspresi berikut,,?
a. sin A/1+cos A + sin A/1-cos A ?
b. (sin B + cos B)pangkat 2 + (sinB-cosB)pangkat 2 ?
c. (cosec A-cotan A)x(1+cosA) ?
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