Question

3. If cos A = 5/12 , calculate sin A and cot A. ​

Answer 1

Answer:

5

Step-by-step explanation:

A

=

√

1

−

cos

2

A

=

√

1

−

25

169

=

√

169

−

25

169

=

=

√

144

169

=

12

13

,

and

tan

A

=

sin

A

cos

A

=

12

13

5

13

=

12

13

⋅

13

5

=

12

5 here your answer

Answer 2

Answer:

SinA = √199 / 12

CotA = 5 / √199

Step-by-step explanation:

cos A = 5/12

cos²A = 25/144

We know, Sin²A + Cos²A = 1

Sin²A + 25/144 = 1

Sin²A = 1 - 25/144

Sin²A = 119/144

SinA = √199/12

CotA = CosA / SinA

= (5/12) / ( ✓199/12)

= 5/✓199