Question

Asked Oct 13, 2019

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show that the following equation is not an identity.

sin((theta)+(pie)/3)=sin(theta) + sin((pie)/3)

I cant figure out how to solve this. I am in Pre-Calc. Can someone show and explain to me how to do it

Step 1

Given trigonometric equation is

Step 2

To show its an identity, start from the left hand side of the equation and try to get the right hand side . apply sin(a+b) formula

Step 3

Plug in the value of sin(pi/3) and cos(...

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