Answer:

answer is 1

Step-by-step explanation:

sin25^o X cos65^o + cos25^o X sin65^o

 as you must be knowing   sinA X cosB + cosA X sinB = sin(A+B)

 so,

     =sin25^o X cos65^o + cos25^o X sin65^o

     = sin(25+65)^o

     =  sin90^o

     =  1         ans.

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Answer:

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