Question

If cotA=4/3, find the value of 1/sinA+1/cosA

Answer 1

Answer:

given ,

cotA=4/3

b/p=4/3

AB=3

Bc=4

AC=?by using pythagoras theorem

H²=B²+p²

H²=4²+3²

H²=16+9

H²=25

H=+-5

hypotenuse can't be negative

1/sinA+1/cosA

1/p/h+1/b/j

1/3/5+1/4/5

3/5+4/5

3+4/5

7/5