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2. Trigonometry
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Q4 of 164 Page 51

The value of 2sin30° cos30° is equal to

We know,


∴


⇒


Comparing the above result with the given options, we find that


A. is incorrect because,


B. is incorrect because,


C. is the correct option because,


D. is incorrect because,

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The value of sec245° – tan245° is equal to

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The value of 2sin30° cos30° is equal to

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The value of cosec2 60° – 1 is equal to

5

The value of cosec2 60° – 1 is equal to

Questions · 164
2. Trigonometry
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