Math, asked by sanju758021, 10 months ago

sin3A=??????????????????
$cos2a =$
cos2a=?

Answers

Answered by Adi8960

1

Step-by-step explanation:

sin3A=3sinA- 4sincube A

cos2A=cossquareA - sinsquareA

Previous Question

Next Question

Similar questions

Accountancy, 5 months ago

3. On 31st March 2010, the Balance Sheet of Prakash Engineering Company Limited, stood as follows. Liabilities: Equity Share Capital 12,50,000,Redeemable Preference Share Capital 5,00,000,Sundry Creditors 2,00,000,Bank overdraft 50,000, General Reserve 3,75,000.Assets:Buildings 3,00,000, Machinery 8,00,000,Patents 5,00,000,Investments 3,00,000,Banks 4,75,000. On 31st March 2010, preference shares...

English, 5 months ago

How did marie use her discovery to serve mankind?

Math, 5 months ago

Find the value of (sinA + cosecA)2 + (cosA + secA)2 - (tan2A + cotA)...

Science, 10 months ago

(i) What causes rusting of iron ? Design an activity to show the conditions needed for iron nails to rust. (ii) Why do we paint iron articles ? 24. (i) Twocircularcoils P and Q are kept close to each other, of which coil P carries a current. If coil P is moved towards Q, will some current be induced in coil Q ? Give reason for your answer and name the phenomenon involved. (ii) What happens if...

Computer Science, 10 months ago

Which of the following are volume-based attacks?

Chemistry, 1 year ago

Moist Nitrogen at pressure of 700mm hg and temperature 27`C is found to occupy a volume of 100 cc.Find volume of dry N2 gas at STP(Aqueous tension at 27'C is 15mm Hg)...

Math, 1 year ago

35 m 80 cm and 12 m 50 cm subtract...

Social Sciences, 1 year ago

why do you think an independent Judiciary is necessary to carry out this important function...