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Tg(x+y)= Cotg40°

Tg(x+y) = Cotg(90-x-y))

Cotg(90-x-y)= Cotg40°

90-x-y=40 x+y=50°

Sen(x-y).Cosec30°=1

Cosec30°=

=1

Sabiendo que...

Sabiendo que...

x-y=30 x-y=30°

x=40°y=10°

==4

1

2

Sen(2x-y)°.Cosec70°=1

Sen (2 x - y )°𝑠𝑒𝑛70

=1 2x-y=70

Tg(x+y)°=Cotg40°

90-x-y x+y=50

3x=120x=40°

y=10°

3

Tg(2-+10°)= Cotg(°)

Son complementarios()

Sec(+15°)= Cosec(°) 85  =3𝛼+𝛽

45  =𝛼+2 𝛽(−3)¿

=10°

4

Tg(2x+3y°). Cotg(°) =1

2x+3y° = °2y° = °

x+y=27°2y°-3x = °x+y = 27°(-2) (+)

-3x -2x= -5x=-6012+y=27°

x=12y =15