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Prove that `(sintheta-costheta+1)/(sintheta+costheta-1)=1/(sectheta-tantheta)` , using the ident...
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Question From - NCERT Maths Class 10 Chapter 8 SOLVED EXAMPLES Question – 15 INTRODUCTION TO TRIGONOMETRY CBSE, RBSE, UP, MP, BIHAR BOARD
QUESTION TEXT:-
Prove that `(sintheta-costheta+1)/(sintheta+costheta-1)=1/(sectheta-tantheta)` , using the identity `sec^2theta=1+tan^2theta`
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1. Given `tanA=4/3` , find the other trigonometric ratios of the angle A....
2. If `/_ B` and `/_ Q` are acute angles such that `sin B=sin Q.` Then prove that `/_ B=/_ Q.`...
3. Consider `DeltaACB` , right-angled at C, in which `AB =29` units, `BC =21` units and `/_ABC=theta` . Determine the values of (i) `cos2theta+sin2theta` (ii) `cos2thetasin2theta`...
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QUESTION TEXT:-
Prove that `(sintheta-costheta+1)/(sintheta+costheta-1)=1/(sectheta-tantheta)` , using the identity `sec^2theta=1+tan^2theta`
Doubtnut के साथ १००% मार्क्स पायें, आज ही डाउनलोड करें :-
Related Questions & Solutions:
1. Given `tanA=4/3` , find the other trigonometric ratios of the angle A....
2. If `/_ B` and `/_ Q` are acute angles such that `sin B=sin Q.` Then prove that `/_ B=/_ Q.`...
3. Consider `DeltaACB` , right-angled at C, in which `AB =29` units, `BC =21` units and `/_ABC=theta` . Determine the values of (i) `cos2theta+sin2theta` (ii) `cos2thetasin2theta`...
4. In a right triangle ABC right-angled at B. if `t a n A=1` , then verify that `2sinA cos A=1.`...
5. In `DeltaO P Q` , right-angled at P, `O P\\ =\\ 7\\ c m` and`O Q\\ -\\ P Q\\ =\\ 1\\ c m` Determine the values of `sin\\ Q\\ a n d\\ cos\\ Qdot`...
Get Classwise & Chapterwise Definitions & Solutions from NCERT Book:
Score 100% With Doubtnut
Prepare your class 10 subjects with our intuitive video solutions and score well in your final academic exam 2019-20. Students can click the doubt question from their text book of class 10 maths, science and find instant video solutions on our renowned doubt solving app or even on our website. Subscribe our channel for latest and trending videos on various topics from subjects like – Maths, Physics, Chemistry, Biology etc for Board & higher studies.
Doubtnut ऍप पर आप कक्षा ६ से १२ (IIT JEE तक) के NCERT के गणित/
भौतिक विज्ञान/रसायन विज्ञान/जीव विज्ञान/ के सभी सवालों के वीडियो देखिये और मुफ्त में खोजिये किसी
भी गणित सवाल का जवाब - 5 लाख से भी ज़्यादा सवालों के जवाब हैं Doubtnut ऍप पर
Doubtnut App and website has video solutions of ALL the NCERT questions from Class 6 to 12. You can download the NCERT solutions in pdf format too.
Doubtnut app provides free online video solutions that help students to better understand each topic and retain what they have learnt for a longer duration. It further helps in creating a stronger foundation for future classes.
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