Question

Evaluate
1) sin 38° - cos 52°​

Answer 1

Answer:

0

Step-by-step explanation:

sin 38°=cos(90°-38°)

=cos52°

so

cos52°-cos52°=0

Answer 2

$\blue{\bold{\underline{\underline{\boxed{answer}}}}} \:$

$since .\sin( \alpha ) = \cos(90 - \alpha ) \\ \sin(38) = \cos(90 - 38) \\ \sin(38) = \cos(52) \: \: - (i) \\ apply \: eq.(i)in \: question \\ \sin(38) - \cos(52) \\ \sin(38) - \sin(38) \\ = \boxed{ \underline{ \underline{0}}}$

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