Math, asked by deepakpatle528, 8 months ago

209
2018-19
उदाहरण 10 : यदि sin 3A = cos (A-26°) हो, जहाँ, 3A एक न्यून कोण है तो A का मान
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Answers

Answered by harshita663
7

Answer:

A=39

Step-by-step explanation:

cos(90-3A) = cos(A-26) [sin90=cos(90-theeta)

90-3A = A-26

90+26 = A+3A

116 = 4A

A = 29

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