Which trigonometric function is used to find the angle between two planes?

Category: QuestionsWhich trigonometric function is used to find the angle between two planes?
Editor">Editor Staff asked 11 months ago

Which trigonometric function is used to find the angle between two planes?
 
(a) Tangent
 
(b) Cosecant
 
(c) Secant
 
(d) Sine
 
This question was posed to me during an online exam.
 
This interesting question is from Three Dimensional Geometry topic in division Three Dimensional Geometry of Mathematics – Class 12
NCERT Solutions for Subject Clas 12 Math Select the correct answer from above options 
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1 Answers
Editor">Editor Staff answered 11 months ago

The correct choice is (b) Cosecant
 
To elaborate: The symbol ‘θ’ represents the angle between two planes. A trigonometric function called cosine is used the find the angle i.e.; θ between the normal of two planes.