Question

solve 4 cosx + 4 sin x = 6
some one please help me​

Answer 1

Step-by-step explanation:

3cosx+4sinx=6

acosx+bsinx∈[−

a

2

+b

2

],[

a

2

+b

2

]

here, a=3 and b=4

So,

3cosx+4sinx∈[−5,5]

So,

3cosx+4sinxcan

′

tgobeyond5