Math, asked by jitendragupta2803, 27 days ago

Sinsqure 22 + cos²a=

Answers

Answered by sajshet

1

Answer:

cos²22.5 - sin²22.5, cos(2×22.5), cos45°=1/√2, since cos²A-sin²A=cos2A. eddibear3a and 9 more users found this answer helpful.

Previous Question

Next Question

Similar questions

Physics, 13 days ago

Define natural source of light...

Computer Science, 13 days ago

write html coding to create a table??

English, 13 days ago

A Showing Possession Look at the following sentences: 1. The pen of my uncle is in his pocke 2. The books of Mary are on the table 3. The dog bit the tail of the cat. These sentences look awkward. So we w...

English, 27 days ago

le Rohit's sister is taking part in a quiz competition. He has written a letter to her giving her advice. Complete it using appropriate conjunctions. Dear Richa, you are the I heard from Mother that you are taking part in the annual quiz competition at school, e youngest quizzer in the competition, all eyes will be on you. you read the newspaper daily, you will be prepared for the current affairs...

Social Sciences, 27 days ago

what are gauchos. write a short notes on them...

Math, 7 months ago

the distance of the points 0, 5 and 0, 3 from y axis is...

Biology, 7 months ago

One of the most widely used drug in medicine, Iodex is....

Political Science, 7 months ago

what are the different ways in which Sri Lankan Tamils protested against the injustice being met out to them?