cos²(x) +sin²(x) =1
sin (x) = ±V(1-cos²(x) )
sin(x) =±V(1 - (5/13)²) = ±V(1 - (25/169)) = ±V(144/169) = ± 12/13
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
cos²(x) +sin²(x) =1
sin (x) = ±V(1-cos²(x) )
sin(x) =±V(1 - (5/13)²) = ±V(1 - (25/169)) = ±V(144/169) = ± 12/13