Math, asked by sanju758021, 1 year 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

Chemistry, 7 months ago

Calculate the mole fraction of NaOH in a solution containing 20g of NaOH in 360g of water.

Environmental Sciences, 7 months ago

_____________ are found in water containing low concentrations of salts, from ponds to estuaries. a. Marine ecosystems b. None of the above c. Freshwater ecosystems...

Geography, 7 months ago

Hydration is aprocess in which______combines with a mineral.

Science, 1 year 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, 1 year 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...