An angle is 30 less than half its complement. Find the angle.

1. Use half-angle identity to find the exact value of cos165. MY ANSWER: (-1/2)sqrt(2+sqrt(3)) 2...

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Half the measure of the angle is 25 more than one-third the measure of its supplement.

use an appropriate half-angle formula to find the exact value ofthe expression. tan22.5 write th...

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"Half the measure of the angle is 25 more than one third the measure of the complement. Find the ang...

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