Question

plzz solve this... question​

Answer 1

{For solution, please refer to the attachment}

Points to be noted:

• tan@ = sin@/cos@

• Alterendo rule:

If a/b = c/d then a/c = b/d

• Invertendo rule:

If a/b = c/d then b/a = d/c

• Componendo rule:

If a/b = c/d then (a+b)/b = (c+d)/d

• Dividendo rule:

If a/b = c/d then (a-b)/b = (c-d)/d

• Componendo et Dividendo rule:

If a/b = c/d then

(a+b)/(a-b) = (c+d)/(c-d)

• Dividendo et Componendo rule:

If a/b = c/d then

(a-b)/(a+b) = (c-d)/(c+d)