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VGS PUBLICATION-BRILLIANT(TELUGU)-త్రికోణమితి-Exercise
- cos 75^(0)విలువ
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- (1+tan^(2) A)( 1- sin^(2) A) =
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- tan 30^(0)
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- sin^(2) 45^(0) + cos^(2) 45^(0)+tan^(2) 45^(0)=
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- sin^(4) A - cos^(4) A // sin^(2) A - cos^(2) A=
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- sin theta = 1/2 అయిన cos 3 theta //2=
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- cos (90-theta)=
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- tan theta . sqrt (1-sin^(2) theta) / sqrt (1-cos^(2) theta) =
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- sec theta + tan theta = 1/5 అయిన sin theta=
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- (sec 45^(0) + tan45^(0) )(sec 45^(0) - tan 45^(0))=
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- sin 30^(0)+cos 30^(0) '=
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- sqrt (cosec^(2) theta - cot^(2) theta )=
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- tan A ను sin A లలో వ్రాయగా
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- 1 //1-sin theta + 1 //1 + sin theta=
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- sec theta + tan theta =4 అయిన cos theta=
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- cot^(2) theta =3 అయిన cosec theta=
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- tan 0^(0)=
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- cos theta =- cos theta అయిన theta=
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- sin theta = a/b, cos theta = c/d అయిన cot theta=
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- A అల్ప కోణం మరియు tan A=1 /sqrt3 అయిన sin A=
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