If (a sin(x+a)=b sin(x-a)) then how can i prove that ((a+b)tan x+(a-b)

1.	If (a sin(x+a)=b sin(x-a)) then how can i prove that ((a+b)tan x+(a-b)sin a)=0
Answer» Answer: Equating length of line segments PQ1 and RT, it is proven that sin(A+B) = sin A cos B + cos A sin B. ... sin(A+B) proof in unit-circle FORM from nubtrek Q1 is (sinB, cosB) PQ1 = 2–2sinAcosB-2cosAsinB. RT = 2–2sin(A+B) PQ1 = RT PROVES the required identity.

If (a sin(x+a)=b sin(x-a)) then how can i prove that ((a+b)tan x+(a-b)sin a)=0

Answer»

Answer:

Equating length of line segments PQ1 and RT, it is proven that sin(A+B) = sin A cos B + cos A sin B.

...

sin(A+B) proof in unit-circle FORM from nubtrek

Q1 is (sinB, cosB)

PQ1 = 2–2sinAcosB-2cosAsinB.

RT = 2–2sin(A+B)

PQ1 = RT PROVES the required identity.

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If (a sin(x+a)=b sin(x-a)) then how can i prove that ((a+b)tan x+(a-b)sin a)=0

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