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Grade: 11

                        

The value of sin(π+x)sin(π-x)cosec^2 x is equal to a)-1 b)0 c)sin x d)none of these

4 years ago

Answers : (4)

uortoiei
2 Points
							
a is the answer oeufhberooivdjohnvioi ieruviv trigonometry oehuib keurfu oiwehicnbc oiebdbd iweugb voieruj weiie
4 years ago
Vaibhavi
12 Points
							Sorry but I didn`t get the language plz explain it in english  And explain it step by step............... ...............
						
4 years ago
Shreyash Rane
45 Points
							
a is the answer...
last equation comes as:-(sin^2 (pi)-sin^2 x)/sin^2 x
                                   :(0-sin^2 x)/sin^2 x........................(since,sin(pi)=0,so therefore sin^2 (pi)=0)
                                   : -1=A option
4 years ago
Ruzu
20 Points
							
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2 years ago
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