Math, asked by Kalyanikannan, 1 year ago

If 2 CosA-SinA=x and cos A-3SinA=y prove that 2x^2+y^2-2xy=5

Answers

Answered by Sakshi15403

2

hope this will help you...

Attachments:

Previous Question

Next Question

Similar questions

Science, 6 months ago

2. When a bar magnet is dropped through loop of wire in vacuum then acceleration of bar magnet as it approaches the loop will be: 1. less than g =9.8mis2 2. more than g 3. equal to g 4. cannot be said as it is vacuum...

Sociology, 6 months ago

perfect what I wanted to say from many days.

Hindi, 6 months ago

जब मैं पिकनिक में गी पर अनुच्छेद लिखो...

Computer Science, 1 year ago

ans it fast..... ..

Science, 1 year ago

Name the principle, which says an orbital can hold only 2 electrons.

History, 1 year ago

Agar Kisi Ladki Ki Laash Mile To Kaise Maloom Karoge ki bhai ladki kis jati ki hai...

Science, 1 year ago

5. (a) State the law of conservation of mass and the law of constant proportions.

Math, 1 year ago

a piece of rope is 54 M long it is cut into two pieces such that one piece is 16 m longer than the other find the length of longer piece...