Math, asked by yashsrivastava74344, 1 year ago

Evaluate cos20° + cos40°

Answers

Answered by vrishali810

0

Step-by-step explanation:

please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please mark as brainlist...

Attachments:

Answered by Anonymous

3

Answer:

2cos(20+40)/2×cos(40-20)/2

Previous Question

Next Question

Similar questions

Math, 6 months ago

The value of 1 divided by 19 -2...

English, 6 months ago

Make a make a kaleidoscope and make a presentation in the class about How it works...

Math, 6 months ago

In a year, Seema earns Rs 50,000 and saves Rs 10,000. Find the ratio of a) Money that Seema earns to the money she saves...

Hindi, 1 year ago

सदाचार पर अनुच्छेद (हिंदी मे)...

Math, 1 year ago

{(-2/3)^2}^-2 ...........................

Social Sciences, 1 year ago

climate of faridabad...

English, 1 year ago

you meet with your first math teacher and spend some time with her make a diary entry of 120 words...

Math, 1 year ago

Find out the smallest number multiplied by the following numbers to get the perfect cube? (1) 108 (ii) 500 (iii) 5400 (iv) 10584 ...