Math, asked by bpushkal, 9 months ago

cos 2A + cos 2B + cos 2C = - 1 - 4 cos A cos B cos C, in a triangle ABC

Attachments:

Answers

Answered by QwertyPs

5

Hêy Fríèñd..

Here is the Solution..

.

.

.

.

I Hope This Will Help You.☺️

♥️Thanks

Attachments:

Previous Question

Next Question

Similar questions

English, 5 months ago

change active into passive pls answer them...

Hindi, 5 months ago

स्कूल का विपरीतार्थक शब्द...

Chemistry, 5 months ago

Show that the lines in the rotational spectrum of a diatomic molecule are equispaced under rigid rotator approximation...

Math, 9 months ago

In PQR=QR=13cm.R and R are one x-axis. Co-ordinates of Q are Q [7,5].Find perimeter of PQR.

Science, 9 months ago

many organs creat a...

Physics, 1 year ago

If power series has radius of convergence r, then radius of convergence of an z^ 2n...

Biology, 1 year ago

A forest cover is seriously in treated by human activity explain suggest any two ways to save forest...

Math, 1 year ago

If 10 people throw a dice randomly, what is the probability that all the 10 people get the same number?