What is the value of cos10∘+cos110∘+cos130∘? View Solution Recommended Questions What is the value of cos 15^(@)? 01:22 The value of cos((pi)/(15))cos((2 pi)/(15))cos((4 pi)/(15))cos((8 pi)/... 02:05 The value of cos((2pi)/(15))cos((4pi)/(15))cos...
View Solution The value ofcos−1(cot(π2))+cos−1(sin(2π3))is View Solution Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium NCERT Solutions for Class 11 English Medium NCERT Solutions for Class 10 English Medium ...
x. 3 is 2, then what is the value of x? If 60 is 75% of a value, then what is that value? What is the value of log_6(1/36)? If x = 4, what is the value of 2|3x - 16| ? What is the value of sin(2\theta) if cos (\theta) = - \fr...
Find the value of cos 37° in fraction. In a triangle, a cosine function is one of the trigonometric functions that is equal to the ratio of the adjacent side and the hypotenuse i.e.cos θ=baseheight cos 37°≃0.8 ⇒cos 37°=810⇒cos 37°=45 Hence, the required value of cos...
Now substituting the value of $\cos \left( {{270}^{\circ }}+{{0}^{\circ }} \right)$ in equation (iii), we get $\cos \left( {{270}^{\circ }} \right)=0$ Hence, the cosine of 270 degrees is 0. For tangent of 270 degrees: ...
If sin a = 1/3, what is the value of cos 2a? Given \cos(\alpha) = 5/7 with \pi/2 \alpha \pi and \tan(\beta) = 5/12 with \pi \beta 3\pi/2 . Find the exact value of a) \tan(\alpha). b) \cos(\alpha + \beta). c) \sin \left( \dfrac{ \beta}{2} \ri...
3)9/64 Half-Angle formula: cos(x)=2cos(x/2)^2-1 In this question: cos(x/2)^2 = 5/16 So: cos(x) = 2(5/16)-1=-3/8 So: (cos(x))^2=(-3/8)^2=9/64
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百度试题 结果1 题目What is the period of ? ( ) A. B. C. D. E. 相关知识点: 试题来源: 解析 D The period is . 反馈 收藏