Question

Find θ if (sec 2θ-1)(cosec 3θ-1)=0​

Answer 1

Answer:

0 or 30

Step-by-step explanation:

$\sec2 \theta - 1 = 0 \\ or \\ \cosec3 \theta - 1 = 0$

for sec 2¤ = 1

so cos 2¤ =1

cos2¤ = cos 0

¤=0,

and

cosec 3¤ = 1

sin 3¤ = 1

3¤=90

¤=30.