Math, asked by sss1140, 3 months ago

if (tan theta +1)(tan theta -1) = 0 (90° ≤ theta ≤ 180°) then theta =​

Answers

Answered by manoharsripati6
1

Answer:

a+b×a-b= a²-b²

so tan theta²-1²=0

so tan theta =1

so theta =45

Step-by-step explanation:

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