百度试题 结果1 题目【题目】Find the exact value of cos C for the trangle shown on the rght2cm How does your answer to a) tell you that angle ACB must be bruse4cm 相关知识点: 试题来源: 解析 最佳答案 ∴x^2+y^2 反馈 收藏
Find the exact value of cos θ if sin θ = andYou can use the unit circle toestimate the value ofθ and cos θ.[-1/2,(√3)/2] (0.1)Because 90° θ 180°, θ is in120°90Quadran _l sinθis音, whch135°150°s between O and, so θ wll(-1.0)180be between 150° and...
Answer to: Find the exact value of cos(cos^-1(1/4)). A) 3/8 B) 1/3 C) 1/4 D) -pi/8 E) None of these By signing up, you'll get thousands of...
Find the exact value of \cos 105^\circ using the fact that 105^\circ = 135^\circ - 30^\circ. Find exact value of \cos(A - B) if \cos A = \frac{8}{17} and \cos B = \frac{3}{5}. Find the exact value of cos (sin^{-1} (-3 / 5)). Find the exact value of cos...
Find the exact value of cos \theta and sin \theta for each angel measure. \frac{3 \pi}{4} Find the exact value of sin theta for the angle -4pi/3. Find the exact value of sin 2theta if tan theta = -1/4 with theta in QII. ...
百度试题 结果1 题目Given that sin x= 45 and that 90^(° )≤ x≤ 180^(° ), find the exact values of: cos x 相关知识点: 试题来源: 解析 - 35 反馈 收藏
the exact value of tan(−60∘) is A−√3 B−1 C−2√3 D−√32Submit Find the principal value of Cosec(2) View Solution Find the value of (1−cos2A)⋅cosec2A. View Solution Find the principal value of: cosec−1(2) View Solution Find the value of √3cosec20°–...
Do not use a calculator.相关知识点: 试题来源: 解析 sin 2x= (24)(25), cos 2x=- 7(25), tan 2x=- (24)7 本题考查动名词作宾语。consider 后面需要接动名词作宾语,表示“考虑做某事”。因此,正确答案为 C 选项 sending,表示“考虑让他们的孩子出国留学”。反馈 收藏 ...
Suppose tan(\theta) = 3, \; sec (\theta) 0. Find the exact value of cos(\theta). Find the exact value of \cos^{2}(34.6). Find the exact value for \sin(-\frac{\pi}{3}). If cos(\theta) = \dfrac{3}{5}; \; \dfrac{3\pi}{2} \theta 2\pi, then find the...
(1) Find the exact value of cos 15 degree using the half -angle identity . Cos 15 degree = ( Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression) (2) Find all solutions in the interv...