Question

how to find maximum value of 4sin²x+3cos² x

Answer 1

Answer:

I m sorry I m in 9th grade. dont know the answer.

Step-by-step explanation:

i guess it is 69

Answer 2

as sin²x+cos² x=1

so given equation can be written as 3(sin²x+cos² x)+

sin²x

which is equal to 3+sin²x

as maximum value of sin x can be 1

maximum value of given function can be 3+1=4