Question

if angle a=30 and b=60 then find sin(a+b), cos(b-a), cosec(a+b) ​

Answer 1

Answer:

hope it is cleae

Step-by-step explanation:

sin 90 = 1

cos (60-30)= cos 30 = 1/2

cosec (60+30) = cosec 90 = 1/sin(90) = 1/1 = 1