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 sinθ=y sin(θ+2 Π/3)=z sin(θ+4 Π/3) then prove that Σxy=0. Please explain with full steps.

If x sinθ=y sin(θ+2 Π/3)=z sin(θ+4 Π/3) then prove that Σxy=0.
Please explain with full steps.

Grade:11

1 Answers

Akshay
185 Points
5 years ago
use sin(a+b) = sin a * cos b + cos a * sin b,
1: x sinθ, 2: ysin(θ+2pi/3), 3: zsin(θ+4pi/3)
equate 1 and 2, u will get tanθ = root(3)*y/(2x+y),
equate 
1 and 3, u will get tanθ = -root(3)*z/(2x+z),
equating both tanθ obtained and simplying will help you get the result

 

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