Question

Please give me 3. B. answer it's urgent​

Answer 1

Answer:

Step-by-step explanation:

5 tan Ф=4

tanФ=4/5

p=4k

b=5k

so hypo=√(25k²+16k²)

=√41k

sin Ф=4k/√41k

=4/√41

cosФ=5k/√41k

=5/√41

in the question

(8×4/√41-3×5/√41)÷(8×4/√41+2×5/√41)

(32/√41-15/√41)/(32/√41+10√41)

(17/√41)/(42/√41)

17/42

this should be the answer

have a nice day