100 Things Cubs Fans Should Know & Do Before They Die (100 Things...Fans Should Know)

100 Things Cubs Fans Should Know & Do Before They Die (100 Things...Fans Should Know)

Matematika mohon bantuan nya kawan​

mohon bantuan nya kawan​

opsi B

pembahasan :

tan 3x = 3

0 x 180

tan positif di kuadran 1 dan 3

tan 3x = √3

3x = 60⁰, (180+60)⁰, (360+60)⁰

3x = 60⁰, 240⁰, 420⁰

x = 20⁰, 80⁰, 140⁰

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