Question

3sinA+ 4cosA=5
to find tanA

Answer 1

3/4

Step-by-step explanation:

3^ 2 + 4^2 = 5^2 ,h = 5, b = 4 & p = 3

satisfies the above trigonometric equation

sinA = 3/5 & cos A = 4/5

3× 3/5 + 4 × 4/5 = 5

5 = 5 (satisfied)

then tan A = p/b = 3/4