Anonymous
Anonymous asked in Science & MathematicsMathematics · 2 months ago

PROBLEM-SOLVING Find the EXACT expressions for the indicated quantities, given that: ?

Update:

I still don't understand

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  • 2 months ago

    Hint:

    Use this trig identity first:

    sin²x + cos²x = 1

    Also use this rule:

    tan x = sin x / cos x

    And finally remember adding 2π radians to an angle doesn't change the value of sin and cos.

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