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Trigonometry Angle Sum and Difference, Double Angle and Half Angle Formulas Find the exact value of: Sin 22* cos 38* + Cos 22* sin 38*

Trigonometry Angle Sum and Difference, Double Angle and Half Angle Formulas Find the exact value of: Sin 22* cos 38* + Cos 22* sin 38*
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Trigonometry

Angle Sum and Difference, Double Angle and Half Angle Formulas
Find the exact value of:
Sin 22* cos 38* + Cos 22* sin 38*

User SuhasD
by
8.9k points

1 Answer

3 votes

Answer:

sqrt(3)/2

Explanation:

sinAcosB+cosAsinB = sin(A+B)

sin(22)cos(38)+cos(22)sin(38)

= sin(22+38) = sin(60)

= sqrt(3)/2

User Metalwihen
by
7.6k points
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