Question

y=2sin^2x+3cos2x+7, find range​

Answer 1

DEF is a right angled triangle, right angle at Flet EF=d. FD = e, DE =f and let p be the length of perpendicular from F on DE. Prove that pf = de.

Answer:

answer this question

Answer 2

Answer:

We convert the function in terms of sinx since the given function is a variable function and then using range of sinx proceed further

Ymax=10

Ymin=6