Math, asked by priyambaddubey2004, 4 months ago

prove that ,
cos4A+cos4B+cos4C=-1+4cos2Acos2Bcos2C where
A+B+C=π

Answers

Answered by Anonymous

0

The answer is Cos2 + 1

°°°°°°°°°°°°°°

Previous Question

Next Question

Similar questions

Geography, 2 months ago

नमामि गंगे परियोजना क्या है इसके दो उद्देश्य क्या हैं...

Math, 2 months ago

3.Simplify : ( 5x + 3a ) ( 5x – 3a) + ( 2x – 5a ) ( 2x – 5a)...

Math, 2 months ago

Integrate :- $\displaystyle \bf \large\int\limits^1_0\dfrac{log (x+)}{x} dx$ please answer this question i need points :-( ...

Social Sciences, 4 months ago

.Agricultural and industry move "hand in hand" analyse the statement with 3 examples....

English, 4 months ago

Read the excerpt from a short story. They had laughed at the shabbiness of the hotel. “Oh well,” they’d said, “we aren’t going to spend any time inside.” And they had not. They’d spent the day and evening sightseeing and had not retreated to their rooms until they were spent. Now Ana appraised her modest accommodations, remembering how the window in her room had amused her friends, as it offered...

Physics, 10 months ago

When the velocity of an object becomes zero...

Math, 10 months ago

In which fractions numerator always one...

Social Sciences, 10 months ago

How to develop india for calss 7...