मराठी

Evaluate the Following :Tan35∘/Cot55∘ + Cot78∘/Tan12∘ - 1

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प्रश्न

Evaluate the following:

`tan 35^@/cot 55^@  + cot 78^@/tan 12^@  -1`

मूल्यांकन
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उत्तर

We have to find:

`tan 35^@/cot 55^@  + cot 78^@/tan 12^@  -1`

since `tan (90^@ - theta) = cot theta` and `cot (90^@ - theta) = tan theta`

 = 1

So value of `(tan 35^@)/(cot 55^@) + (cot 78^@)/(tan 12^@)` is 1

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पाठ 10: Trigonometric Ratios - EXERCISE 10.3 [पृष्ठ १०.३६]

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आर.डी. शर्मा Mathematics [English] Class 10
पाठ 10 Trigonometric Ratios
EXERCISE 10.3 | Q 2. (iii) | पृष्ठ १०.३६
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