if 3cotA=4,evaluate 1-tantita/1+tan square A
Answers
Answer:
Given 3 cotA = 4.
cotA = 4/3. ----------------- (1).
We know that tan theta = 1/cot theta
tan A = 1/cotA
= 1/4/3
= 3/4. --------------- (2)
We know that cosec^2 theta = 1 + cot^2 theta
= 1 + (4/3)^2
= 1 + 16/9
= 25/9.
cosec theta = 5/3. ----------------
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