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 sin x = 3 sin( x + 2y) then what is the value of tan( x+y ) + 2tan y

if sin x = 3 sin( x + 2y)
then what is the value of tan( x+y ) + 2tan y

Grade:12

1 Answers

Hashan Hasalanka
11 Points
4 years ago
Sin(x+y-y)=3sin(x+y+y)Sin(x+y)cos(y)-cos(x+y)sin(y) =3[sin(x+y)cos(y)+cos(x+y)sin(y)]Then devide it by cos(x+y)cos(y)You getTan(x+y)-tan(y) = 3[tan(x+y)+tan(y)]2tan(x+y)+4tan(y)=0SinceTan(x+y)+2tan(y)=0

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