Answer:
see explanation
Step-by-step explanation:
Using the Pythagorean identity
sin²θ + cos²θ = 1 ( divide terms by sin²θ )
+
=
, that is
1 + cot²θ = cosec²θ ← as required
4/7 = x+3/21 A) x=9 B) x=15 C) x= 33 3/4 D) x=91 - Would it be A??
2 answers:
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