Math, asked by nathisurya2004, 4 months ago

cOS 3A
iii) Prove that cos A=
and hence deduce cos 15°
2 cos 2A-1
3+1
22

Answers

Answered by Anonymous

2

Answer:

please send me the question with diagram

good night

Previous Question

Next Question

Similar questions

Math, 2 months ago

Reshma and her mother went to a shop to but a shawl to keep them warm during winters. the shopkeeper give her an expensive one that looks attractive and told her that it was a pure wool. After coming home, reshma took a small thread from it and tested it by burning. Immediately she realized that they were cheated. What would have been her observation...

English, 2 months ago

When I travel I remove my cap when I rest I put it on what am I ??

English, 2 months ago

B В ER FL ENGLISH TEXTBOOK FOR CLASS Name A ACTIVITY з and Predicate of the above sentences in the boxes given below: SUBJECT PREDICATE...

Math, 4 months ago

Pivot in matrix means...

English, 4 months ago

Read these sentences and ansmes the questions that follow Do you remember the first time I saw you? who said this and to whom?

India Languages, 11 months ago

please solve it quickly ...

Computer Science, 11 months ago

WRITE THE DEFINITION OF FUNCTION AND FORMULA ?~...

Chemistry, 11 months ago

13. In the reaction, Bry + 2I- → 2Br + I2, the oxidising agent is (a) Br2 (b) I- (c) Br- (d) I2...