2 years ago

100 POINTS 100 POINTS 100 POINTS 100 POINTS I WILL MARK BRAINLIEST

Mathematics

2 answers:

Elena L [17]2 years ago

7 0

Answer:

Step-by-step explanation:

given tanB= 4/3

so sinB=4/5

n cosB=3/5

given BC=15

BA=BC*cosB

=15*3/5

AC=BC*sinA

=15*4/5

=12

Triangle ABC and DBE are similar by AAA

DB= BA-AD

=9-3

DB/BA=DE/AC

6/9=DE/12

DE=12*6/9

ad-work [718]2 years ago

5 0

Answer:

(a) 1, 2, 7, 14 (b) 1, 3, 9, 27 (c) 1, 2, 3, 6 (d) 1, 3, 5, 15 ... 4.4 Sine, Cosine and Tangent. 1. (a) hyp : BC ; adj : AC ; opp : AB. (b) hyp : DF ; adj : DE ; opp : EF. (c).

SO THE ANSWER IS 8

Step-by-step explanation:

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