(sinA/1-cosA)-(1-cosA/sinA)=
Answers
Answered by
0
Answer:
sinA
+
1−cosA
sinA
=sinA[
(1+cosA)(1−cosA)
1−cosA+1+cosA
]
=sinA(
sin
2
A
2
)=
sinA
2
=2cosecA
Answered by
0
Answer:
your answer is wrong
Step-by-step explanation:
i have my textbook in textbook there is direct and correct answer and it is i) 20 ii) -71 this is the correct answer.
now I am asking these question one more time so please answer answer if you know
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