3 years ago

If sin 115 degrees≈ 0.91 and cos 115 degrees = -0.42, then sin -115 = and cos -115 degrees =_

Mathematics

1 answer:

mafiozo [28]3 years ago

3 0

Answer:

If sin 115 degrees≈ 0.91 and cos 115 degrees = -0.42, then sin -115 = -0.91 and cos -115 degrees = 0.42

Step-by-step explanation:

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If sin 115 degrees≈ 0.91 and cos 115 degrees = -0.42, then sin -115 = ____ and cos -115 degrees =_____

If sin 115 degrees≈ 0.91 and cos 115 degrees = -0.42, then sin -115 = and cos -115 degrees =_