Math, asked by ranjankuma, 1 year ago

$( 1 + cos \alpha cos \beta )2 - (cos \alpha + cos \beta )2 is equal to$

Answers

Answered by Anonymous

0

I hope it is not wrong and helps you

Attachments:

ranjankuma: wrong answer

Previous Question

Next Question

Similar questions

Physics, 7 months ago

A spring is used to stop a 100kg package which is moving down a 30 degree incline. The spring has a constant k= 30kN/m and is held by cables so that it is initially compressed 90 mm. If the velocity of package is 5m/s when it is 9m from the spring, determine the maximum additional deformation of spring in bringing the package to rest. Assume coefficient of friction as 0.2...

Math, 7 months ago

Lf 2"=64. then find the value of 2 .. :.

Physics, 7 months ago

what are Material to required in an experiment to find specific heatof solid...

Science, 1 year ago

88 question number take a brainlist...

Math, 1 year ago

In order to find the correlation coefficient between two variables X and Y from 20 pairs of observations, the following calculations were made : Sum x = 15, sum y = — 6, sum xy = 50 Sum x2= 61 and sum y2= 90. Calculate the correlation coefficient and the slope of the regression line of Y on X.

History, 1 year ago

Discuss why nazism became popular in Germany by 1930...

English, 1 year ago

what is the full form of cpct...

Physics, 1 year ago

what is self induction...