abbeydamian132 abbeydamian132

08-12-2019
Mathematics

contestada

Rewrite 2cos 75 sin 75 using a double angle identity

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jimrgrant1 jimrgrant1

08-12-2019

Answer:

sin150°

Step-by-step explanation:

Using the double angle formula

sin2x = 2 sinxcosx

Given

2sin75°cos75°, using the double angle formula

2sin75°cos75° = sin(2 × 75)° = sin150°

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