Math, asked by nathisurya2004, 2 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

Economy, 1 month ago

From the following information, compute Gross National Product (GNP) according to the Expenditure Method CH & + GEC-ITTS) Private Consumption Expenditure = INR 100 Crores 100+ Gross Domestic Private Investment = INR 80 Crores. Net Foreign Investment = INR 20 Rent = INR 60 Crores Wages = INR 100 Crores Mixed Income = INR 25 Crores Government Expenditure on Goods and Services= INR 70...

Math, 1 month ago

A simple way to calculate scores by using...

Math, 1 month ago

divide the sum 3/11 and 2/5 by thier product...

Math, 2 months ago

Pivot in matrix means...

English, 2 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, 9 months ago

please solve it quickly ...

Computer Science, 9 months ago

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

Chemistry, 9 months ago

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