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Evaluate the Following: tan⁡45∘cos⁡𝑒⁢𝑐⁢30∘ +sec⁡60∘cot⁡45∘ −5⁢sin⁡90∘2⁢cos⁡0∘

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Question

Evaluate the Following:

`tan 45^@/(cosec 30^@) + sec 60^@/cot 45^@  - (5 sin 90^@)/(2 cos 0^@)`

Evaluate
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Solution

`tan 45^@/(cosec 30^@) + sec 60^@/cot 45^@  - (5 sin 90^@)/(2 cos 0^@)`

`= 1/2 + 2/1 - (5(1))/(2(1))`

`= 1/2 +2 -5/2`

`= (1+4-5)/2`

`=0/2`

= 0

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Chapter 10: Trigonometric Ratios - Exercise 10.2 [Page 42]

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R.D. Sharma Mathematics [English] Class 10
Chapter 10 Trigonometric Ratios
Exercise 10.2 | Q 19 | Page 42

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