Math, asked by sarthakpatelsp2005, 4 months ago

15cot a= 8 , find sina​

Answers

Answered by agarwalritu434
0

Answer:

cota=8/15

cota =a/o

hypo=17(using phythagorous triplet)

sina = 15/17

Answered by avniverma75
1

Step-by-step explanation:

Given,

15cotA=8

cotA=

15

8

=> tanA=

8

15

-------(tanA=

cotA

1

)

We know that,

tanθ=

adjacentSide

ooppositeSide

Consider the attached figure, triangleABC

From Pythagoras theorem,

AC

2

=AB

2

+BC

2

AC

2

=8

2

+15

2

=64+225=289

AC=17

cosA=

Hypotenuse

aadjacentSide

=

AC

AB

=

17

8

secA=

cosA

1

=

17

8

1

8

17

sinA=

Hypotenuse

oppositeSide=

AC

BB

=

17

15

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