Question

What is the exact value of sin (- 105)?​

Answer 1

Just put it into a calculator

0.97053528353

Answer 2

`\text{Let's find the sine of -105 degrees}\\\text{Start by typing -105 into our calculator}\\\text{and click the sin button}\\\text{It gives us an irrational number, which is the sine of -105 degrees}`

`\rule{300}{1.7}`

`\text{The value is end less, it would take an eternity to type it here,}\\\text{ but I will round it to the nearest 100th}`

`\rule{300}{1.7}`

`\text{-0.97}`