Question

If cos A=12/13, then find sin A And tan a (a<90>

Answer 1

Answer:

Sin A=5/13. TanA=5/12

Step-by-step explanation:

CosA = 12/13 = B/H

By Pythagoras Theorem-::

P²=H²-B²

P²=13²-12²

P²=169-144

P²=25

P=5

As we know that,

SinA=P/H

SinA=5/13

Tan A=P/B

Tan A=5/12

[P=Perpendicular,H=Hypotenuse]

[B=Base]

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