結果 : 1 cos 2 theta is equal to dash
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The value of cos1° cos2° cos3° cos4°…………..…..cos90° is (a) 1 (b) 0 (c) – 1 (d) 2

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x=(2θ-sin2θ)、y=a(1-cos2θ)のとき、θ=π/3のときのdy/dxを求めよ。/ 微分学12年生

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\( \cos 1^{\circ}+\cos 2^{\circ}+\cos 3^{\circ}+\ldots+\cos 180^{\circ}= \)

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The values of `sintheta_(1), cos^(2)theta_(2)` and `tan theta_(3)` are given as `.^(1)//_(2), -

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Prove that: `1+cos2x+cos4x+cos6x=4cosxcos2xcos3x`

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If sin theta + sin^2 theta = 1, show that cos^2 theta + cos^4 theta = 1. Trigonometry class 10.

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cos 1^(@)cos 2^(@) cos 3^(@)........... Cos 90^(@)= | 10 | गणित प्रश्न पत्र (2019 A) | MATHS | ...

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Write the value of cos 1^∘cos 2^∘cos 3^∘…… . cos 179^∘cos 180^∘. (F)

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` cos 1^(@) + cos2^(@) + cos 3^(@) + ….+cos 180^(@)` is equal to

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If sinA+sin^2 A=1 find the value of the expression cos^2 A+cos^4 A sina+sin2a=1 then cos2a+cos4a

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9. If sin A + sin^2A = 1, then the value of the expression cos^2 A + cos^4 A is

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` Cos { 2 pi/2^64 - 1) cos{2^2 pi/(2^64-1)}.........cos{2^64 pi/(2^64 - 1)}` =

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JEE Advanced 2021|Little Einstein Of India|Sarim Khan|@skwonderkids5047.

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If m^2 + m'^2 + 2mm' costheta= 1 & n^2+n'^2+2n n'costheta=1, [mn + m' n' + ( m n' + m'n)cos theta]=0

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1,552 回視聴 - 5 年前
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(1+tan theta+sec theta)(1+cot theta-cosec theta) = 2 | (1+tan A+sec A)(1+cot a-cosec A)=2

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The value of sin 1 ·cos 2 ·tan 3 · 4 · 5 ·cosec 6 is (a) Positive (b) Negative (c) Zero (d) May b...

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Delta_(1) =|{:(x, sin theta, cos theta),(-sin theta, -x, 1),(cos theta, 1,x):}| かつ Delta_(2) の場合...

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