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Find the exact value of the expression. Do not use a calculator. sin 79°-cos 11° I got 0. I'm not sure if that's right.
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Find the exact value of the expression. Do not use a calculator.

sin 79°-cos 11°

I got 0. I'm not sure if that's right.

User Madnx
by
6.6k points

1 Answer

3 votes

Answer:

sin(79°) - cos(11°) = 0

Explanation:

Based on the rule sin(90-x) = cos(x), we can transform the expression. See the attached for more details

Find the exact value of the expression. Do not use a calculator. sin 79°-cos 11° I-example-1
User Adeel Siddiqui
by
5.5k points
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