1.

Sin10sin30sin50sin70 equals to 1/16

Answer» In these type of questions , firstly multiply and divide the term by 2 and then use:: 2 SinA SinB = Cos(A +B ) - Cos ( A-B ) type identities . And then took common terms outside and then again use above identities ... you will get your answer . Its quit tough to solve the whole question over there. thus, I have told you the procedure .. I hope it will help you ...?
Jai ho dada prashuram ji ki ....


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