Rewriting the left hand side,
csc²t - cost sec t
= (1/sin²t)-(cost)(1/cost)
= 1/sin²t - 1
= 1/sin²t - sin²t/sin²t
= (1-sin²t)/sin²t
= cos²t/sin²t
= cot²t
Answer:
34
Step-by-step explanation:
51/3/2=51x2/3=102/3=34
% = (Change/Original) * 100
= (6/24) * 100
= (0.25) * 100
= 25%
Answer:
the answer is C
Step-by-step explanation:
In a hour tailwind flies 402 mph
In a hour headwind flies 388 mph
