cosec^2A cot^2A-sec^2Atan^2A-(cot^2A-tan^2A)(sec^2Acosec^2a-1)
aadi , 7 Years ago
Grade 11
Trigonometry> cosec^2A cot^2A-sec^2Atan^2A-(cot^2A-tan^...
1 Answersaadi
Last Activity: 7 Years ago
simplify all the terms before the bracket separately and then simplify the terms in the bracket and then substitute it and then you will get the answer to be zero.
sorry but i can not write that many steps here, take it as an exercise.
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