Sarah takes a full-time position that pays $32,500 per year. The government takes out 3% for Social Security, 1.2 % for Medicare
1 answer:
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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.
First find the derivative,
.
Then find the critical point,
.
Hope this helps.
I am a little rusty here :(.