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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