Question

if tan theta = 3, then 5[cos theta/4] =
please answer fast​

Answer 1

Answer:

tan theta=3

cos=1/ tan

so 5[1/3/4]= 20/3

Step-by-step explanation:

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Answer 2

5 sin ø-3 cos ø/4 sin ø+ 3cos ø=0

Step-by-step explanation:

5 tan ø=3

=tan ø=3/5

now,

5 sin ø-3 cos ø/4 sin ø+3 cos ø

=5 tan ø-3/4 tan ø+3

(5(3/5) -3)/(4(3/5) +3)

=3-3/12/5+3

=0/12/5+3

=0