given 6 cot a is equal to 8. find sin a and sec a.
with steps will be marked brainliest.
Answers
Answered by
1
Answer:
Answer
Given,
15cotA=8
cotA=
15
8
=> tanA=
8
15
-------(tanA=
cotA
1
)
We know that,
tanθ=
adjacentSide
oppositeSide
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
adjacentSide
=
AC
AB
=
17
8
secA=
cosA
1
=
17
8
1
8
17
sinA=
Hypotenuse
oppositeSide
=
AC
BC
=
17
15
Answered by
1
Step-by-step explanation:
6 cot A = 8 so now,
cot A =8/6 then,
tan A =6/8
by Pythagoras theorem,
H2 = s2 + s2
h2 = (6)square + 8 square
Hsquare = 36+64
H=√100
H= 10
then sinA =8/10
secA= 10/6
hope it will use to u
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