Mathematics, 24.04.2021 23:40 meganm9889

For positive acute angles A
A and
B
,
B, it is known that
cos
⁡
A
=
4
5
cosA=
5
4

and
sin
⁡
B
=
15
17
.
sinB=
17
15

. Find the value of
cos
⁡
(
A
−
B
)
cos(A−B) in simplest form.

Answers: 1

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For positive acute angles A
A and
B
,
B, it is known that
cos

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More questions: Mathematics Another questions

For positive acute angles A A and B , B, it is known that cos ⁡ A = 4 5 cosA= 5 4 ​ and sin ⁡ B = 15 17 . sinB= 17 15 ​ . Find the value of cos ⁡ ( A − B ) cos(A−B) in simplest form.

Answers

Another question on Mathematics

For positive acute angles A
A and
B
,
B, it is known that
cos
⁡
A
=
4
5
cosA=
5
4

and
sin
⁡
B
=
15
17
.
sinB=
17
15

. Find the value of
cos
⁡
(
A
−
B
)
cos(A−B) in simplest form.