Math, asked by raymondthangkhiew, 16 days ago

find the value of 2 cos 3x - 1 = 0

Answers

Answered by DhiruRiluloveyou

0

Answer:

x = 20°

Step-by-step explanation:

2 cos 3x -1 = 0

2 cos 3x = 1

cos 3x = 1/2

3x = cos-¹(1/2)

3x = 60°

x = 20°

Answered by shakthiappu

0

Answer

20 degree

step by step explanation

check the attachment....

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