English, asked by sanjaysonee7876, 5 months ago

75. (1 + cot A + tan A)(sin A - Cos A)
cosecA
secA
cosec? A
sin Atan A - cotos
sec²A​

Answers

Answered by rider32
0

Explanation:

LHS cotA+tanA. =sinAcosA+cosAsinA. =sinAcos Acos2A+sin2A. =sinAcosA1{∵sin2x+cos2x=1}. =cosecAsecA. =RHS Hence proved. Answered By rider please give brain list answer please

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