Question

108. If 4 sin = 3 cos , find the value of
12 sin - 7 cos \8 sin + 3 cos​

Answer 1

Answer:

Step-by-step explanation:

4sinx=3cosx

sinx/cosx=3/4

tanx=3/4

therefore sinx=3/5

cosx=4/5

12sinx-7cosx/8cosx+3cosx

putting the values we get