The angle $x - 20˚$ is subtracted from $70˚ + x$ , and the sine of the result is taken. What is the final answer obtained?

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Answer 1 · 2017-04-10T20:54:22

This simplifies to $1$ .

We have:

$=sin(a - b)$

$=sin(70 + x -(x - 20))$

$=sin(70 + x- x + 20)$

$= sin(90˚)$

$= 1$

Hopefully this helps!

The angle x - 20˚x - 20˚ is subtracted from 70˚ + x70˚ + x, and the sine of the result is taken. What is the final answer obtained?