Trigonometric EquationHard
Question
The greatest and least value of sin θ cos θ are -
Options
A.1, -1
B.
C.
D.2, -1
Solution
Y = 
sin θ cos θ 
sin 2θ
- 1 ≤ sin 2θ ≤ 1 ⇒ -
sin 2θ ≤ 
Y ∈
sin θ cos θ sin 2θ- 1 ≤ sin 2θ ≤ 1 ⇒ -
sin 2θ ≤ Y ∈
Create a free account to view solution
View Solution FreeMore Trigonometric Equation Questions
If in a triangle PQR, sin P, sin Q, sin R are in AP, then...∫ log dx is equal to...Minimum value of the expression cos2 θ -(6 sin θ cos θ) + 3 sin2 θ + 2, is -...Locus of centroid of the triangle whose vertices are (a cos t, a sin t), (b sin t, - b cos t) and (1, 0), where t is a p...If θ is an acute angle such that tan2θ = , then the value of is -...