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त्रिकोणमिति का परिचय

Question
CBSEHHIMAH10010226

निम्नलिखित का मान निकालिए:
fraction numerator tan space 26 degree over denominator cot space 64 degree end fraction

Solution
fraction numerator tan space 26 degree over denominator cot space 64 degree end fraction equals fraction numerator tan thin space left parenthesis 90 degree minus 64 degree right parenthesis over denominator cot space 64 degree end fraction space equals space fraction numerator cot space 64 degree over denominator cot space 64 degree end fraction space equals space 1
space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space left square bracket space because space space tan space left parenthesis 90 degree minus straight theta right parenthesis space equals space cotθ right square bracket

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