Math, asked by tejaswini878, 10 months ago

if sin3a=cos(A-26)where3A is an acute angle find the value of a

tejaswini878: hey

Answers

Answered by vashuvishwanath2003

1

here's..........

........m

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tejaswini878: thankkyou

vashuvishwanath2003: thanks

Answered by divyansh08528

2

Answer:

29

Step-by-step explanation:

sin3a = cos(A-26)

sin3a = sin{90-(A-26)}

3a = 90-A+26

3a+a = 116

4a = 116

a = 29

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