Answer:
true
Step-by-step explanation:
sinA² + cosA²=1
⇔(1/2)² + cosA²=1
⇔cosA=±(√3/2)
Answer:
the answer and explanation is in the picture
please like and Mark as brainliest
hope this helps
Answer:
jsjsjejejejsjsjsjjsjsjsjsjsjsjsjsjsjsjsjsj
Answer:
Step-by-step explanation:
x=9