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That depends whether 312 is in degrees or in radians. Just open your scientific calculator (there is one included on most computers; don't forget to set it to "scientific"), select the correct angular measurement (usually degrees or radians), and do the calculation.

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If you don't have a scientific calculator you can use Google: just enter sin 312 radians or sin 312 degrees.

For more general expressions use the link attached below. For example, you can enter sin(312)+cos(312). This site will assume degrees in this instance but offer you the option of calculating the result for radians.

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11y ago

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