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CBSE Class 11-science Answered

Prove that  TAN70=TAN 20+Tan 50
Asked by adithyarajkumar | 16 Dec, 2018, 09:22: PM
answered-by-expert Expert Answer
This posted question is wrong.
begin mathsize 12px style tan open parentheses 70 close parentheses space equals space tan open parentheses 20 plus 50 close parentheses space equals fraction numerator tan open parentheses 20 close parentheses plus tan open parentheses 50 close parentheses over denominator 1 minus space tan open parentheses 20 close parentheses tan open parentheses 50 close parentheses end fraction space end style
Answered by Thiyagarajan K | 16 Dec, 2018, 10:09: PM

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CBSE 11-science - Maths
program to find the minimum element from a list of element along with its index in the list
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Asked by sampabarman328 | 18 Apr, 2024, 01:20: PM
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CBSE 11-science - Maths
find square root of 7+24i
Asked by tahikpreet0001 | 17 Apr, 2024, 06:41: AM
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CBSE 11-science - Maths
if α, ß, Γ be the roots of the equation x^3+px^2+qx+r=0 then find the value of (α+ß-3Γ)(ß+Γ-3α)(α+Γ-3ß)
Asked by nitinkrjsr07082008 | 15 Apr, 2024, 11:32: PM
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CBSE 11-science - Maths
ug
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Asked by nityaboragam | 11 Apr, 2024, 12:14: PM
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CBSE 11-science - Maths
total number of three letter words formed using all the letters of the word "SHINE" is
Asked by kanhaparashar17 | 04 Apr, 2024, 12:55: PM
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CBSE 11-science - Maths
find 6th term from and of the (x-1/x)⁹
Asked by dseno1741 | 29 Mar, 2024, 08:47: PM
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CBSE 11-science - Maths
in exercise 1.3 1st q ii part abc is not subset of bcd but two elements are common i.e bc but in 2 question same exercise i part ab is subset of  bca how ??  
Asked by parvanipatil09 | 29 Mar, 2024, 10:12: AM
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CBSE 11-science - Maths
find the value of x so that the vectors are (2,7,5) ,(3,-3,6) ,(x,2,-5) may be coplanar
Asked by rishithatelaprolu84 | 29 Mar, 2024, 08:32: AM
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CBSE 11-science - Maths
binomial doubt
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Asked by Manjeet | 23 Mar, 2024, 09:41: PM
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CBSE 11-science - Maths
pair
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Asked by rambabum3372 | 21 Mar, 2024, 04:51: PM
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