Iklan

Iklan

Pertanyaan

Himpunan semua bilangan real x pada selang [ π , 2 π ] yang memenuhi 2 cos 2 x + sin 2 x ≤ 0 berbentuk [a.b]. Nilai a+b adalah....

Himpunan semua bilangan real x pada selang  yang memenuhi  berbentuk [a.b]. Nilai a+b adalah....

  1. fraction numerator 6 straight pi over denominator 4 end fraction

  2. fraction numerator 7 straight pi over denominator 4 end fraction

  3. fraction numerator 13 straight pi over denominator 4 end fraction

  4. fraction numerator 14 straight pi over denominator 4 end fraction

  5. fraction numerator 15 straight pi over denominator 4 end fraction

Iklan

A. Rizky

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

Jawaban terverifikasi

Iklan

Pembahasan

I n g a t space r u m u s space colon  2 sin invisible function application x cos invisible function application x equals sin invisible function application 2 x  cos invisible function application 2 x equals 1 minus 2 sin squared invisible function application x    2 cos squared invisible function application x plus sin invisible function application 2 x less or equal than 0  2 cos squared invisible function application x plus 2 sin invisible function application x cos invisible function application x less or equal than 0  2 cos invisible function application x open parentheses cos invisible function application x plus sin invisible function application x close parentheses less or equal than 0  cos invisible function application x equals 0 rightwards double arrow x equals 3 over 2 pi comma space sin invisible function application x plus cos invisible function application x equals 0 rightwards double arrow tan invisible function application x equals negative 1 rightwards double arrow x equals 7 over 4 pi  D e n g a n space m e n g g u n a k a n space g a r i s space b i l a n g a n

M a k a space d a e r a h space y a n g space m e m e n u h i space a d a l a h space 3 over 2 pi less or equal than x less or equal than 7 over 4 pi  J a d i comma space a plus b equals 3 over 2 pi plus 7 over 4 pi equals 13 over 4 pi

Perdalam pemahamanmu bersama Master Teacher
di sesi Live Teaching, GRATIS!

189

Bandena Serenade M.

Pembahasan tidak menjawab soal

Iklan

Iklan

Pertanyaan serupa

Himpunan penyelesaian dari sin 2 x + 3 sin x + 2 = 0 adalah ...

1

0.0

Jawaban terverifikasi

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Roboguru

Coba GRATIS Aplikasi Ruangguru

Download di Google PlayDownload di AppstoreDownload di App Gallery

Produk Ruangguru

Hubungi Kami

Ruangguru WhatsApp

+62 815-7441-0000

Email info@ruangguru.com

[email protected]

Contact 02140008000

02140008000

Ikuti Kami

©2024 Ruangguru. All Rights Reserved PT. Ruang Raya Indonesia