1.

What is the formula to find angle of tapered hole?

A. CosA/2 = (R<sub>1</sub>-R<sub>2</sub>)/(H<sub>1</sub>+H<sub>2</sub>+R<sub>1</sub>-R<sub>2</sub>)
B. SinA/2 = (R<sub>1</sub>-R<sub>2</sub>)/(H<sub>1</sub>+H<sub>2</sub>+R<sub>1</sub>-R<sub>2</sub>)
C. TanA/2 = (R<sub>1</sub>-R<sub>2</sub>)/(H<sub>1</sub>+H<sub>2</sub>+R<sub>1</sub>-R<sub>2</sub>)
D. CotA/2 = (R<sub>1</sub>-R<sub>2</sub>)/(H<sub>1</sub>+H<sub>2</sub>+R<sub>1</sub>-R<sub>2</sub>)
Answer» C. TanA/2 = (R<sub>1</sub>-R<sub>2</sub>)/(H<sub>1</sub>+H<sub>2</sub>+R<sub>1</sub>-R<sub>2</sub>)


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