Math, asked by jaamuunasanckar, 1 year ago

Question no. 2 Please i need acurate answer immediately.

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Answered by assingh

3

cosec 13° = sec(90-13)° = sec77°
Similarly,
cot20° = tan70°
1-1= 0
So answer is 0.

jaamuunasanckar: Thanks. Awesome answer

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