Math, asked by sushilbayen8809, 11 months ago

Cos 3x + cos x + cos 2x = 0

Answers

Answered by tiya9854334p1sezx

0

Step-by-step explanation:

hope it will be helpful

Attachments:

Answered by chanukya3

1

X=18°

Step-by-step explanation:

Cos3X+cosX+cos2X= 0

Cos5X=0

Cos90°=0

Cos5X=cos90°

5X=90°

X=18°

Previous Question

Next Question

Similar questions

Math, 5 months ago

1 from the adjoining to figure, It Be=4cm and CD =12 cm then find a( abc) / a(acd ) ...

Math, 5 months ago

The product of two rational numbers is always a...

English, 5 months ago

GIVE B. Answer these questions. in her parents about it? (paras 2.9 15, 17 and 19) 1. What was the astounding event that had occurred? Why didn't Matilda choose to corre...

Environmental Sciences, 11 months ago

Cotton is grown in the areas of which soils...

Math, 11 months ago

Which Data Type Value Is Returned By All Transcendental Math Functions...

Math, 1 year ago

The sum of three numbers is 232 .If the ratio of the first to the second number is 3:5 and that of the second number to the third number is 10: 13.Find the second number.

Math, 1 year ago

F part question plz solve and give me the answer...

Math, 1 year ago

construct an angle of 90° n bisect it.