Question
If tan 12θ x tan 6θ = 1 then the value of tan 9θ
isSolution
We know that ,If tanA ` ` tanB = 1 then A & B are complementary angles it means A + B = 90˚ As it is given by tan 12θ . tan 6θ = 1 so 12θ+6θ = 90˚ or 18θ = 90˚ So θ = 5˚ Hence tan 9θ = tan (9 x 5˚) = tan 45˚ = 1
Plants that do not germinate when exposed to light are called as___Â
First Milk produced by cow immediately after giving birth to calf which is nutritious and rich in antibody
Organs have associated to form functional systems, each system concerned with a specific physiological function. Which of the following organism shows t...
Which tropical tree species is rich in vitamin C with multiple medicinal property and extensively used in Ayurveda          Â
...A system in which fast growing fodder, shrubs and trees are planted for purpose of mulch green manure soil conservation is
Relevant for Exams:
