Let the third side be p,By Pythagoras theorem,⇒ 92 + p2 = 152⇒ 81 + p2 = 225⇒ p2 = 144⇒ p = 12Therefore, the other angles are:cos A = tan A = cosec A = sec A = cot A =

Q. 2 A5.0( 1 Vote )

Find the other tr

Class 9th Tamilnadu Board Math Term-II 2. Trigonometry

Answer :

Let the third side be p,

By Pythagoras theorem,

⇒ 9² + p² = 15²

⇒ 81 + p² = 225

⇒ p² = 144

⇒ p = 12

Therefore, the other angles are:

cos A =

tan A =

cosec A =

sec A =

cot A =

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