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CBSE Class 11-science Answered

Why trigonometric functions are defined using a unit circle and why not any other circle?
Asked by bhawnanaman | 02 Oct, 2015, 09:15: AM
answered-by-expert Expert Answer
C o n s i d e r space a space u n i t space c i r c l e space w i t h space c e n t r e space a s space open parentheses 0 comma 0 close parentheses. L e t space u s space o b s e r v e space t h e space f o l l o w i n g space f i g u r e.
Answered by Vimala Ramamurthy | 02 Oct, 2015, 01:28: PM

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CBSE 11-science - Maths
cos 1710
Asked by SasipriyaNagappan | 27 Jul, 2023, 07:22: PM
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CBSE 11-science - Maths
sin25+sin210+sin215+......+sin2180
Asked by karthikeyainuguri2009 | 10 Apr, 2022, 03:01: PM
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CBSE 11-science - Maths
Show that sum of 9 Sin4 θ - 6 Sin6 θ and 9 Cos4 θ - 6 Cos6 θ  remains constant for all values of θ.
Asked by nareshpanchal76 | 07 Oct, 2020, 10:13: AM
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CBSE 11-science - Maths
if sintita +costita =1/5 and 0≤thita
Asked by sravikakanneganti | 19 Sep, 2020, 05:26: PM
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CBSE 11-science - Maths
Find the values of x for which it satisfies tanx = cot 5 x as well as sin 2x = cos 4x [x€ (-π/2,π/2)]
Asked by sajal2402 | 30 Jul, 2019, 11:19: AM
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CBSE 11-science - Maths
Sin (90-thita) 
Asked by Divyataak1984 | 24 Jun, 2019, 08:38: PM
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CBSE 11-science - Maths
pls solve
question image
Asked by pb_ckt | 14 Jun, 2019, 11:20: PM
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CBSE 11-science - Maths
pls solve
question image
Asked by pb_ckt | 14 Jun, 2019, 11:19: PM
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CBSE 11-science - Maths
cosec x (sec x - 1) - cot x (1 - cos x) = tan x - sin x Prove the Following Identity.
Asked by Anish | 16 Jun, 2018, 08:38: AM
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CBSE 11-science - Maths
F I N D space T H E space V A L U E space O F space cos left parenthesis negative fraction numerator 5 straight pi over denominator 12 end fraction right parenthesis
Asked by Topperlearning User | 31 Aug, 2016, 09:36: PM
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