Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

if x+iy=3/2+cosa+isina, then find the value of x^2+y^2

if x+iy=3/2+cosa+isina, then find the value of x^2+y^2

Grade:12

2 Answers

Deepak Kumar Shringi
askIITians Faculty 4405 Points
3 years ago
562-481_Capture.PNG
Khimraj
3007 Points
3 years ago
x+iy= (3/2 + cosa) + isina – (1)
So,
x-iy= (3/2 + cosa) - isina      -(2)
Then multiply equation (1) and (2)
x2 + y2 = (¼)*(13 +  12cosa).
Hope it clears.

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free