Sill 30 Sim 32 =U
यदि tan 2A = cot (A-18°), जहाँ 2A एक न्यून कोण है, तो A का मान ज्ञात कीजिए।
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A=36° is right answer of 2nd question
Step-by-step explanation:
tan2A = cot(A-18)
cot(90-2A) = cot(A-18)
90-2A= A- 18
-3A=-108
A =36°
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