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shan8747
30.06.2019 •
Mathematics
Find the exact value of sin-1 the quantity square root of three divided by two
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Ответ:
Answer is 60 degrees.
Step-by-step explanation:
We know that in a right angled triangle if one leg is 1, and hypotenuse is 2,
then other leg =![\sqrt{2^2-1^2 } =\sqrt{3}](/tpl/images/0034/9357/e7c65.png)
(By using Pythagorean theotrem)
Now consider a right angle triangle with hypotenuse 2 and one leg 1, and the angle between other leg and hypotenuse.
Since sin 30 = 1/2 we have cos 60= sin (90-60) = 1/2
Hence sin 60 = rt 3 /2
Using the above we get sin inverse of quantity square root of three divided by two is 60 degrees.
Ответ:
i think the answer is c :)