Math, asked by palakj9114, 9 months ago

prove that
${sin}^{2} \frac{2\pi}{7} + {sin}^{2} \frac{11\pi}{14} + {cos}^{2} \frac{3\pi}{14} + { cos }^{2} \frac{5\pi}{7} = 2$

Answers

Answered by sohamsabale2021

0

Step-by-step explanation:

follow me OR Mark brainliest

Attachments:

Previous Question

Next Question

Similar questions

Math, 4 months ago

$5 + 5 = ???$ :p...

Chemistry, 4 months ago

what is deforestation??? ¯\_(ツ)_/¯...

Math, 4 months ago

If a=4 and b=5, find the value of I. ab-a square II. 6a square- 2ab III. 5a square- 3b square IV. 4b square- 3ab...

Environmental Sciences, 9 months ago

1. We get milk from buffalo only.

Political Science, 9 months ago

during cold war era indian foriegn policy was based on...

Political Science, 1 year ago

Which concept is completely opposedto the concept of power sharing...

Math, 1 year ago

Prove that 1/9 is a rational...

Social Sciences, 1 year ago

Let each student find out the weight and height of 5 school going children of different economic background, 5 adult person of different economic backgrounds such as construction workers, servents, office workers, business person etc.collect the data from all and make a combined table. Calculate their BMI.And find out any relationship between economic background of person and his/her nutrition...