Math, asked by saikrishna8654, 1 year ago

Cos 90°=1-2 sin2 45°=2 cos2 45°-1

Answers

Answered by sprao534

5

Please see the attachment

Attachments:

Previous Question

Next Question

Similar questions

Science, 6 months ago

can anyone please suggest me from where should I study the chapter respiration in organisms from class 7 cbse I want to study from youtube so pls send the link and those people who post irrelevant answers no need of posting them in return I will mark you as brainliest and follow you yoo ( if you want) ...

Science, 6 months ago

Which one of the following is equal to 1 hector area? i. 1000 m2 ii. 10000 m2 iii. 100 m2 iv. 100000 m2...

Computer Science, 6 months ago

you can select multiple lines by holding down and clicking them...

English, 1 year ago

How to write a proper report we have to divide the page in two or nt (like newspaper)....

Math, 1 year ago

2+square root of 3 / 2 - square root of 3=?

Chemistry, 1 year ago

washing soda is the common name of???

Physics, 1 year ago

explain why the sun glasses have no power...

Math, 1 year ago

In Maths, I need to cover all the chapters in 1 day. Is that possible? If yes, how?