Question

the maxmimum value of 3sinx +4cosx​

Answer 1

Step-by-step explanation:

max value of sins=+1

max value of cost=+1

so, maxmimum value of 3sinx +4cosx=3+4=7

Answer 2

Answer:

The maximum value sine and cosine function can take is 1

When x = 90° (π/2)

sin 90° = 1 and cos 90° = 0

Then 3sinx + 4cosx becomes 3(1) + 4(0) = 3

When x = 0°

sin 0° = 0 and cos 0° = 1

Then 3sinx + 4cosx becomes 3(0) + 4 = 4

So the maximum value of 3sinx + 4 cosx is 4 when x = 0°

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