meshearer
meshearer
23-03-2017
Mathematics
contestada
simplify [2 (cos 210 + i sin 210)]^2
Respuesta :
ChandrikaP
ChandrikaP
23-03-2017
2{(cos^210+isin^210)}^2
2(cos^210-sin^10+2i*cos10*sin10)
2(cos20+i*sin20)
cos^2Ф-sin^2Ф=cos2Ф and 2sinФcosФ=sin2Ф here Ф=10°
Answer Link
VER TODAS LAS RESPUESTAS ( 57+ )
Otras preguntas
Please help!!!!!!!! this is worth 60 points!!!!!!The table shows the relationship between the number oftickets and the total cost to purchase tickets.Write a fu
What happens to the atoms of most nonmetals when they react with other elements
What triangle congruence postulate would prove that the two triangles are congruent?
You’be created a new video about to make perfect tiara what characteristics you consider to finalizing your tittle
Who helped lead the antiapartheid movement in South Africa? A. Mohandas Gandhi B. Nelson Mandela C. Cesar Chavez D. F. W. de Klerk
Help!!! Please!!! thanks
What is the frequency of motion of a 0.67 m long pendulum? 0.43 Hz 0.61 Hz 1.6 Hz 2.33 Hz
What is rapid prototyping?
Tamika opened a money market account that has a 4.25% annual interest rate, compound annually. She deposits $1750 into the account each year. How much interest
In your opinion, does a person’s failure define them? Explain using specific examples below?
