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Nimfa-mama [501]
3 years ago
13

Write the given expression as the sine of an angle

Mathematics
1 answer:
MAXImum [283]3 years ago
7 0

Answer:

sin140°

Step-by-step explanation:

Using the addition formula for sine

sin(A + B) = sinAcosB + cosAsinB

Given

sin105°cos35° + sin35°cos105°

= sin105°cos35° + cos105°sin35° ← right side of expansion above

= sin(105 + 35)°

= sin140°

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