Math, asked by priyanshusachdeva5, 10 months ago



3 tan^2 30° + sec^2 45° - tan^2 60° is equal to:

Answers

Answered by Anonymous
13

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We know that,

 \tan(30)  =  \frac{1}{ \sqrt{3} }  \\  \sec(45)  =   \sqrt{2}  \\   \tan(60)  =  \sqrt{3}

3tan²30°+sec²45°-tan²60°

 = 3 \times  { (\frac{1}{ \sqrt{3} } )}^{2}  +  {( \sqrt{2}) }^{2}  -   { (\sqrt{3} )}^{2}  \\  = 1 + 2 - 3 \\  = 3 - 3 \\  = 0

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Value of 3 tan² 30° + sec² 45° - tan² 60° is 0.

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