Math, asked by himanshu2005q, 1 month ago

sin⁴A-cos⁴A=2sin²A-1

Answers

Answered by tec10signitha

1

Answer:

we have LHS=sin⁴A=cos⁴A

LHS=(sin^A)^2-(cos^2A)^2

=(sin^A+cos^2A)=2sin^2A-1

=(sin^A-(2-sin^A))=2sin^2A-2

=2(1-cos^2A)-1=1-2cos^2A=RHS

Previous Question

Next Question

Similar questions

English, 24 days ago

Here there (be) a will, there (be) a way. - ...

Math, 24 days ago

If – 4cot + 3 = 0, the value of cot is:...

English, 24 days ago

2. Watering the plant is necessary for its growth.

Math, 1 month ago

ano side. Construct an isosceles right triangle PQR, where ZQ = 90°, PQ=QR = 4.8 cm. how to make...

Sociology, 1 month ago

The purposes of education are influenced by changing social forces, but there needs to be a balancing act between developing the potential of the individual and improving society. Express your views on this statement...

Math, 9 months ago

factorise (3-x)^2-36x^2...

Math, 9 months ago

list all the perfect square between 1 to 50.which of these number form pythagorean triplets?how many such triplets can you find?

Physics, 9 months ago

calculate the considerd significant figures in 6*3...