To calculate sine on a calculator, ensure the calculator is in degrees mode (indicated by 'DEG' at the top), then press the sine function followed by the angle value; for example, sin(30) = 0.5. If the calculator displays -0.988 instead, it is likely in radian mode. To find the inverse sine (arcsin), use the second function of the sine button; for example, sin⁻¹(0.5) = 30°.
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How to Use Sin on a Calculator本站添加:
How do you sign on the calculator? Let's try sign 30.
First, make sure your calculator is in degrees mode. You should see a DEG at the top of the screen. Now, press sign 30. So, the answer is 0.5 or 1/2. If your calculator gives you -0.988, don't panic. Your calculator is probably in radian mode.
Now, let's calculate the inverse. Second function, sign. Sign inverse of 0.5.
Notice, you'll get back the 30°.
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