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VGS PUBLICATION-BRILLIANT(TELUGU)-త్రికోణమితి-Exercise
- sqrt (sec^(2) theta -1) / sec theta =
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- x=2 cosec theta, y = 2 cot theta అయినx^(2) - y^(2)=
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- cos (A+B)=0, cos B = sqrt 3 /2 అయిన A=
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- tan theta / sqrt (1+tan^(2) theta)=
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- sqrt (1-cos^(2) theta )// cos theta =
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- 1 / sqrt (1+tan^(2) theta)=
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- cos theta. tan theta=
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- sin (180+theta) = - sin theta అయితే sin 225^(0)=
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- sec^(2) 33^(0) - cot^(2) 57^(0)=
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- cos^(6) theta + sin^(6) theta=
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- theta / 2 = 1 /sqrt 2 అయిన cos theta=
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- cos theta = 1/2 అయిన cos theta // 2=
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- cos theta =
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- cos 0^(0) + sin 90^(0) + sqrt 3 cosec 60^(0)విలువ
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- cos 60^(0) . Cos 30^(0) - sin 60^(0). Sin 30^(0) విలువ
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- tan theta=
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- sqrt (sec^(2) A + cosec^(2) A ) =
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- sqrt 3 tan theta =1 అయిన theta=
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- sqrt (cosec^(2) theta - sin^(2) theta - cos^(2) theta =
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- sqrt ( 1-cos^(2) theta // 1+cos^(2) theta )=
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