Question

if sin 40 = cos (Q - 15 ) where 40Q is an acute angle find the value of Q​

Answer 1

Here is ur answer mate

$\implies$sin40⁰ = cos( Q - 15⁰ )

$\implies$sin40⁰ = cos( Q - 15⁰ )

$\implies$cos60⁰= cos( Q - 15⁰ )

$\implies$60⁰ = Q - 15⁰

$\implies$60⁰ + 15⁰ = Q

$\implies$Q = 75⁰

Hope it helps u