Question

Friends please say correct answer for this


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Answer 1

Step-by-step explanation:

BC+CA=23

BC-CA = 7

Adding these two equations

2BC=30

BC=15

Substituting this value in the first equation

15+CA=23

CA=8

BC^{2} + AC^{2} = AB^{2} (by pythagorus theorem)

⇒(15*15)+(8*8)= AB^{2}

225+64= AB^{2}

AB^{2} =289

⇒AC=17

Now find sinA&TanB.

SinA=opposite/hypothesis=BC/AB= 15cm/17cm.

TanB=opposite/adjacent=AC/BC=

8cm/15cm.

Answer 2

Answer:

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