Question: How to do this sort of math problem without the use of calculator? Example 22 ( Self Tutor Without using your calculator, show that sin

How to do this sort of math problem without the use of calculator?

Example 22 ( Self Tutor Without using your calculator, show that sin 750 = 16+v2 4 sin 750 = sin(45 + 30) = sin 45 cos 30 + cos 45 sin 30 = (72 ) (23 ) + ( 72 ) (2 ) = V3+1 2 2V2 2 = V6+2 4

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