Trigonometric EquationHard
Question
The sides of a triangle are sinα, cosα and 
for some 0 < α < 
. Then the greatest angle of the triangle is
for some 0 < α < . Then the greatest angle of the triangle isOptions
A.60o
B.90o
C.120o
D.150o
Solution
Greatest side is 
, by applying cos rule we get greatest angle = 120o.
, by applying cos rule we get greatest angle = 120o. Create a free account to view solution
View Solution FreeMore Trigonometric Equation Questions
ABCD is a trapezium such that AB and CD are parallel and BC ⏊ CD. If ∠ADB = θ, BC = p and CD = q, then ...The equation of the bisector of the acute angle between the lines 2x - y + 4 = 0 and x - 2y = 1 is :-...The no. of solution of |cot x| = cot x + , x∈[0, 3π]...A tangent is drawn at a point P on the parabola y2 = 4x to intersect x-axis at Q. From Q a line is drawn perpendicular t...equals...