Answer:
Step-by-step explanation:
Answer:
2(x+7)
Step-by-step explanation:
i hope this helps
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
Step-by-step explanation:
i don't see any graphs so i don't know how to help
