Question

If sin theta is equals to 4 by 5 then find the value of 4 tan theta - 5 cos theta by sec theta + 4 theta

Answer 1

given
sin☆=4/5
p/h=4/5
p=4
h=5
b=3.
4tan☆-5co☆//sec☆+4☆

now put the value.
(☆ means theta).