Question

Find sin2.‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎​

Answer 1

FIND SIN°

the value of sin2 degrees can be calculated by

constructing an angle of 2° with the x axis.

then finding the coordinates of the corresponding point (0.9994,0.0349) on the unit circle . the value of sin 2° is equal to the y coordinate 0.0349

sin 2°=0.0349

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