What is the measure of each angle in the Summer Triangle
1 answer:
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Simple...
change them all into fractions or decimals...
0.7---> 0.7
-->>0.77
--->>0.875
Ordering from greatest to least....
0.875-->>0.77-->>0.7
-->>-->>0.7
Thud, your answer.
change them all into fractions or decimals...
0.7---> 0.7
Ordering from greatest to least....
0.875-->>0.77-->>0.7
Thud, your answer.
Answer:
x = 180
Step-by-step explanation:
First, you need to know
1. Double-angle formula:
cos(2x) =
2. Pythagorean identity:
Back to your problem, replacing the variable by the above:
By Double-angle formula
By Pythagorean identity
Given
, we know -1 < sinx < 1, for every x ∈ R