cos 30° - cos 60° + sin 90°
√3/2 - 1/2 + 1
√3 - 1/2 + 1
√3 - 1/2 + 2/2
√3 - 1 + 2/2
√3 + 1/2
Jawaban:
[tex] \frac{ \sqrt{3} + 1 }{2} [/tex]
Penjelasan dengan langkah-langkah:
[tex] \cos(30) \ - \cos(60) + \sin(90) \\ = \frac{ \sqrt{3} }{2} - \frac{1}{2} + 1 \\ = \frac{ \sqrt{3} }{2} + \frac{1}{2} \\ = \frac{ \sqrt{3 } + 1}{2} [/tex]
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cos 30° - cos 60° + sin 90°
√3/2 - 1/2 + 1
√3 - 1/2 + 1
√3 - 1/2 + 2/2
√3 - 1 + 2/2
√3 + 1/2
Jawaban:
[tex] \frac{ \sqrt{3} + 1 }{2} [/tex]
Penjelasan dengan langkah-langkah:
[tex] \cos(30) \ - \cos(60) + \sin(90) \\ = \frac{ \sqrt{3} }{2} - \frac{1}{2} + 1 \\ = \frac{ \sqrt{3} }{2} + \frac{1}{2} \\ = \frac{ \sqrt{3 } + 1}{2} [/tex]