Question
Mathematics Question on Trigonometric Identities
If in a triangle ABC, tanA + tanB + tanC = 6 and tan A tan B = 2, then the triangle is
A
right angled isoscele
B
acute angled isosceles
C
obtuse angled
D
equilateral.
Answer
acute angled isosceles
Explanation
Solution
Answer (b) acute angled isosceles