Question

find the principle of the equation sin2theta =-1/2
plese solve the all quations
please
it very argent ​

Answer 1

Answer:

The principle solution is the solution of trignometric angle in [0,2π]

So There are two principle solutions

(π+ π/6) and (2π- π/6 )= 7π/6 and 11π/6

hope its help you ✌️

Answer 2

Answer:

Hope it helps

Explanation: