Math, asked by anirhea14, 10 months ago

2 cos 3x-1=0
Solve for x

Answers

Answered by amamjain04

1

Answer:

x=91/3

Step-by-step explanation:

2 cos 3x-1=0

cos 3x-1= 0

Also, Cos 90 = 0

Therefore, 90=3x-1

3x=91

x=91/3

Answered by umiko28

3

Answer:

2cos3x-1=0

Step-by-step explanation:

2cos3x=1

cos3x=1/2

cos3x=cos 60°

=>3x=60°

=>x=60°/3

=>x=20°

plz follow me and mark as brainlist

Previous Question

Next Question

Similar questions

English, 5 months ago

Good Wins Over Evil Kiara Neal, Grade 4, Ettalong Public School Short Story 2013 Once upon a time there lived a boy named Maxx who lived in a town called Bangson. A big dark secret was lurking in Maxx’s past. A long time ago when Maxx was just born his parents were poor, they couldn’t even afford fresh water. Maxx’s parents had to give him water from a puddle, when he drank from the puddle...

Math, 5 months ago

b. Solve: 41x + 53y = 135; 53x +41y = 147...

English, 5 months ago

i) The night of the scan carried Tut from the tomb in his box. (workmen, servants, friends)...

Chemistry, 10 months ago

Balance the following redox reactions by half reaction methods step by step 1. Cr(OH)3 +IO3^- → I^- +CrO4^2- (In basic medium) 2. MnO4^- +SO3^-→ Mn^2+ +SO4 ^2- (In acidic medium) 3. Br2 +H2O2 → BrO3^- + H2O (In acidic medium)...

English, 10 months ago

I was reading novels identify verbs...

History, 1 year ago

what do you mean by 12/12/12...

Science, 1 year ago

please fill in the blanks with suitable conjunction :-...

Chemistry, 1 year ago

The temperature of water reduces due to cooling the rate of cooling water is...