Math, asked by Amit28052005, 7 months ago

solve this ?????????.........

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Answered by rahulchhura8907

1

Step-by-step explanation:

cot40/tan50-cis35/2sin55=

cot40/tan(90-40)-cos35/2sin(90-35)

=cot40/cot40-cos35/2cis35.

=1- 1/2=2-1/2=1/2

NOTE:SUN(90-@)=COS@

COS(90-@)=SIN@

AND COT AND TAN ,SEC AND COSEC ARE INTERCHANGED LIKE THAT

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