Suppose 240 nursing students took a certification test that is worth 140 points. The five-number summary for the scores is shown
2 answers:
You might be interested in
Answer:
-1
Step-by-step explanation:
We need to find the value of tan² 70° -sec² 70°.
We know that,
...(1)
We can write the given expression as :
tan² 70° -sec² 70° = -(-tan² 70° +sec² 70°)
=-(sec² 70°-tan² 70°)
Using identity (1)
=-(1)
= -1
Hence, the value of the given expression is -1.
Start at 5 and go up 3 and move 4 to the right
