Question

what is sin thea ka square ​

Answer 1

Answer:

The first shows how we can express sin θ in terms of cos θ; the second shows how we can express cos θ in terms of sin θ. Note: sin2θ -- "sine squared theta" -- means (sin θ)2. Problem 3. A 3-4-5 triangle is right-angled.

Answer 2

sin 60 but not confirmed.