Q. 25.0( 7 Votes )

# In ΔABC, m∠B = 90. If BC = 3 and AC = 5, find all the six trigonometric ratios of ∠A.

Answer :

Pythagoras theorem

3^{2} + AB^{2} = 5^{2}

⇒ AB = 4

we know that

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