sin 18 degree/cos 72 degree
Answers
Answered by
1
sin18 = cos(90-18) = cos72
therefore = cos72/cos72
= 1
therefore = cos72/cos72
= 1
Answered by
3
heya friend !!
it's easy bro.....
sin18°/cos72°
you can change sin to cos or cos to sin so we change cos to sin ...
see here .,,cos72°=cos(90°-18")
=>sin18°--1)
so,from 1) we get..
sin18°/sin18°=1 .
hope it help you....
@Rajukumar ☺☺
it's easy bro.....
sin18°/cos72°
you can change sin to cos or cos to sin so we change cos to sin ...
see here .,,cos72°=cos(90°-18")
=>sin18°--1)
so,from 1) we get..
sin18°/sin18°=1 .
hope it help you....
@Rajukumar ☺☺
Similar questions