Sin (Π/2 - theta) = sin(Π/2) * cos(theta) - cos(Π/2) * sin (theta)
and as we know sin(Π/2) =1 , cos(Π/2)=0
so sin(Π/2 - theta) = 1* cos(theta) - 0* sin(theta)= cos(theta)
2nd cos(180+ theta) = cos(180)*cos(theta) - sin(180)* sin(theta)
,,, so , cos(180+theta) = -cos(theta)
Answer: the answer is -1
Step-by-step explanation:
The answer is negative 1 because I just guessed
I think the answer is A. I hope this helps
Answer:
ASA
Step-by-step explanation:
You are given one angle and one side and the other angle is due to opposite angles which are always congruent.
