1.

If cosec \(A = \frac{25}{7}\), then what is the value of Tan A?1. \(\frac{7}{25}\)2. \(\frac{7}{24}\)3. \(\frac{25}{24}\)4. \(\frac{24}{25}\)

Answer» Correct Answer - Option 2 : \(\frac{7}{24}\)

Given:

Cosec A = 25/7

Formula Used:

Cosec A = Hypotenuse/Perpendicular

Tan A = Perpendicular/Base

Calculation:

Cosec A = Hypotenuse/Perpendicular = 25/7

From here we deduce that Hypotenuse = 25 Units and Perpendicular = 7 Units

Using Pythagoras Theorem in right angle triangle ABC, where AB is perpendicular, BC is Base, and AC is Hypotenuse.

AC2 = AB2 + BC2

⇒ (25)2 = (7)2 + (BC)2

⇒ 625 = 49 + BC2

⇒ BC2 = 625 -49 = 576

⇒ BC = √576 = 24 Units (Base)

Tan A = 7/24

The value of Tan A is 7/24



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