Question

5. If sec 4A = cosec (A -20°), where 4A is an acute angle, find the value of A.​

Answer 1

Answer:

⚠ _ Hello _ ⚠

Step-by-step explanation:

$= > cosec(90 - 4a) = cosec(a - 20) \\ = > 90 - 4a = a - 20 \\ = > 110 = 5a \\ = > a = \frac{110}{5} \\ = > a = 22$

Hope it's help u

Answer 2

Answer:A=22°

Step-by-step explanation:

Cosec(90°-4A)=cosec(a-20°)

Cut similar ones,ie cut cosec

90-4A=a-20

90+20=a+4a

110=5a

A=110÷5

A=22°