How [6(pi) - 2sin(3pi)]/5 = 1.87?

I get zero for 2sin(3pi). There is no way the answer is 1.87.

6(pi)/5 = 1.2, right?

Printable View

- November 27th 2013, 07:01 AMnycmathTrigonometric Subtraction
How [6(pi) - 2sin(3pi)]/5 = 1.87?

I get zero for 2sin(3pi). There is no way the answer is 1.87.

6(pi)/5 = 1.2, right? - November 27th 2013, 07:07 AMdokrbbRe: Trigonometric Subtraction
- November 27th 2013, 07:08 AMHallsofIvyRe: Trigonometric Subtraction
- November 27th 2013, 07:19 AMnycmathRe: Trigonometric Subtraction
I forgot to set my calculator to radians.

- November 27th 2013, 09:04 AMtopsquarkRe: Trigonometric Subtraction
- November 28th 2013, 02:18 PMnycmathRe: Trigonometric Subtraction
Yes, the problem is written correctly.