You are not logged in to Prodigits. Please 
Mathclub > Topics
|
@filifulu | |
|
U r given that cos of =8/10. Without using math tables express in fraction form the value of (a)sin (b)tan (90 - ) |
||
|
2
Replies
1583
Views
0 Bookmarks
|
||
|
@fanking | 4 March 11 |
|
using pythogoras theorem and SOHCAHTOA. We find that the trig cos of 8/10 we find that the hypotunis is 10 and the opposite side is 6 and the abjacent sid is 8. Therefore sin of = 6/10 = 3/5 |
||
|
@portiap | 14 September 11 |
|
tan(90-*)means tan is in d 1st quadrant.'.tan is positive.tan= opp/adj=6/8=3/4
|
||
Mathclub Forum
Bookmarks
Mathclub
