if sin 36 + theta is equals to cos 16 + theta then the find the value of theta where 36 36 + theta and 16 + theta both acute angles
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akshithkumarveludand:
Correct answer
Answered by
47
Answer:
19°
Step-by-step explanation:
Hi,
Given sin(36 + θ) = cos(16 + θ)
But cos θ = sin (90 - θ)
hence cos(16 + θ) = sin ( 90 - 16 - θ)
= sin(74 - θ)
So, sin( 36 + θ) = sin (74 - θ)
36 + θ = 74 - θ
2θ = 38
θ = 19°.
Hence, the value of θ is 19°.
Hope, it helps !
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