Math, asked by harsh7718, 1 year ago

cos2theta-sin2theta=2cos2theta-3

Answers

Answered by adeshrajputtirwa

0

Answer:

Step-by-step explanation:

Cos^2@-sin^2@

=cos^2@-(1-cos^2@)

=cos^2@-1+cos^2@

=2cos^2@-1

Previous Question

Next Question

Similar questions

Math, 6 months ago

a triangle whose two sides are of equal length is known as...

Science, 6 months ago

two masses of 10 kg are placed at a distance of 1nm find the gravitational force just tell me what to do with 1nm???

Computer Science, 6 months ago

how MAN is different from WAN...

Science, 1 year ago

Nowadays we find E - waste on a large scale. Express your opinion about its harmfullness...

Chemistry, 1 year ago

which kind of garbage is not converted into compost by redworms?

Science, 1 year ago

ph scale has a great importance in our daily life explain by giving three examples...

Science, 1 year ago

does a potato remains a potato after even being cooked. is it a physical change...

Math, 1 year ago

please solve question number 44 to 46 do it in your notebook and then click the picture and then post it here then I'll make him or her brain list...