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2(sine square theta - cos square theta) + 1 = 0 then find the value of tan theta

Posted by Riya Sultana 9 months, 4 weeks ago

CBSE > Class 10 > Mathematics

3 answers

Devendra 99 9 months, 3 weeks ago

2(sin^2@ - (1-sin^2@))= -1 sin^@ -1 + sin^2@ = -1/2 2sin^@ = - 1/2 + 1 sin^2@ = 1/2 So, @ = 30° Now, tan^@ = tan^2 30° i.e1/√3 So ans is 1/√3

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Mohammad Izaan 9 months, 4 weeks ago

0Thank You

Kush Shukla 9 months, 3 weeks ago

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