Question

Si sen β= 1/5, calcular: M=Ctg² β+1
Ayuda por favor!!

Answer 1

Sen B =>1/5 =>co/h

1^2 + x^2 =5^2
1 +x^2 =25
x^2=24
x=2√6

Ctg^2 B+1
(2√6)^2 +1
(2^2×6)+1
24+1
:. 25