Math, asked by ujju5693, 10 months ago

cos^2x + cos^2(120°-x)+cos^2(120°+x)=3/2

Answers

Answered by Anonymous

2

Step-by-step explanation:

cos^2x + cos^2(120°-x)+cos^2(120°+x)=3/2

cos^2x /2 + cos ^2 (60-x) + cos ^2 (60+x)

cos3x/4 = 3/2

cos 3x = 3/2

hope it helps you

Answered by mohithchinnakotla

1

Druv is a god how did u awnser that

Previous Question

Next Question

Similar questions

Social Sciences, 5 months ago

07. Fill in the blanks: a) Dalit is a term used to address b) In African-Americans were discriminated. c) Article of the Indian Constitution makes provision to treat people equally and with dignity.

English, 5 months ago

answer it class 6 travel ch name gulmohar please give appropriate answer otherwise you will pay very badly for ur wrong answer...

Math, 5 months ago

find the ci on 15000 for 3 years at 10% pa compounded anually ...

Math, 10 months ago

If A = (1,2,3,6) B = (1, 2, 4, 8) Find B-A.

Science, 10 months ago

why should we eat meals at the proper time...

Geography, 1 year ago

ch5 of geography class 10th ... how is aluminium obtained...

English, 1 year ago

Give me anice thought to present in class...

Political Science, 1 year ago

please tell views of bjp on kashmir article 370...