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I. Find the following ratio: B 1. Sin A 4. Sin B 2. Cos A 5. Cos B 3. Tan A 6.Tan B 8 15 С 6 A

User MBardos
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1 Answer

6 votes

Given data :

AB = 15

BC = 8

AC = 6

1) sinA = perpendicular / hypotenues

In the given triangle , perpendicular is BC which is always opposite to the angle .

sinA = BC / AB

= 8 / 15

2) cosA = Base / Hypotenues

= AC / AB

= 6 / 15

= 2 / 5

3) tanA = perpendicular / base

= BC / AC

= 8 / 6

= 4 / 3

4) sinB = perpendicular / hypotenues

In given triangle , perpendicular is AC which is according to the angle which we have to find.

sinB = AC / AB

= 6 / 15

= 3 / 5

5) cosB = base / hypotenues

= BC / AB

= 8 / 15

6) tanB = perpendicular / base

= AC / BC

= 6 / 8

= 3 / 4

User Zahiro Mor
by
8.5k points

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