Answer
Step by step text solution for In triangleABC, right angled at A, if AB = 12 cm, AC = 5 cm and BC = 13 cm, find all the six trigonometric ratios of angle B. by MATHS experts to help you in doubts & scoring excellent marks in Class 10 exams.
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MBD-INTRODUCTION TO TRIGONOMETRY-EXERCISE
- In triangleABC, right angled at A, if AB = 12 cm, AC = 5 cm and BC = ...
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- In triangleOPQ, right angled at P, OP = 7 cm and OQ - PQ = 1 cm. Deter...
03:30
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- If sintheta=sqrt3costheta , find all the six T-ratios..
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- If sin A = 1/3 evaluate the cos A cosec A + tan A sec A.
02:45
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- If tantheta=12/5, calculate sintheta , costheta and verify sin^2theta+...
02:36
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- If tan A = sqrt2-1 show that (tanA)/(1+tan^2A)=(sqrt2)/4 = sinA cos A...
04:52
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- If sec theta=5/4 verify that (tantheta)/(1+tan^2theta)=(sintheta)/(sec...
03:33
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- If sin B=1/2 find the value of 3 cosB-4cos^3B .
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- In a right angled triangle ABC, right angled at B, if tan A = 1, then ...
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- If cottheta=3/4 prove that sqrt((sectheta-cosectheta)/(sectheta+cosec...
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- If tan theta=3/4 , show that sqrt((1-sintheta)/(1+sintheta))=1/2 .
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- In triangleABC , right angle at C, if tan A =1/sqrt3. Show that sin A...
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- If cosec A = 2 , find the value of 1/(tan A)+(sinA)/(1+cosA).
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- If cot B=12/5 Prove that tan^2B-sin^2B=sin^4B.sec^2B .
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- If tantheta+(1)/(tantheta)=2 , find the value of tan^2theta+(1)/(tan^2...
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- If 3cos theta-4sintheta=2costheta+sintheta find tantheta .
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- If sintheta=3/5, evaluate [(costheta-(1/tantheta))/(2cottheta)] .
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- What is the value of sina . .
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- If A=30^@ verify that :- cos2A= (1-tan^2A)/(1+tan^2A) .
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- If A=30^@ verify that :- cos2A= cos^2A-sin^2A .
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