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 ...
Exact values of sin(45), cos(45), tan(45), csc(45), sec(45), cot(45)| SIN45COS45安常投资 立即播放 打开App,流畅又高清100+个相关视频 更多 4255 0 03:51 App YouTube、Vimeo、Instagram视频下载工具videosdown 更新v3.5啦,解决了IP不干净也能下载的问题! 415 0 00:34 App 【动态设计】...
Answer to: Find the exact value of sin theta and tan theta when cos theta has the indicated value. cos theta = 2 / 5 By signing up, you'll get...
Find the exact values of the sine, cosine, and tangent of the angle. 15 o sin ( 15 0 ) = cos ( 15 o ) = tan ( 15 o ) = Find the exact values of the sine, cosine, and tangent of the angle. 13\pi } \over {12 Find the exact values of the sine, cos...
The value of tan 90 degrees is undefined. The tangent of an angle is equal to the ratio of sine and cosine of the same angle. Learn how to derive the exact value of tan 90 at BYJU’S.
If sin theta gt 0 and tan theta = -1/2, find the exact value of cos theta. Given that theta is an angle between pi and 3 pi / 2 , such that cot theta = 3/5 . Find exact values for: a. sin theta b. tan(2 theta) c. sin( pi/2 - theta) ...
–15. Pythagorean Theorem Replace x with 8 and y with –15. Use the Pythagorean Theorem to find r. Evaluate Trigonometric Functions Given a Point Now use x = 8, y = –15, and r = 17 to write the ratios. Simplify. Answer: Find the exact values of the six trigonometric functions of...
tan 30^{\circ} In the given triangle, find out the exact value of sin(2\theta). Determine the exact values of the six trigonometric ratios of the angle theta in the triangle. Use the provided figure to find the exact value of the trigonometric function. c...
an(2π3) bcos(3π4) ctan(5π6) dsin(7π6) ecos(5π4) ftan(4π3) gsin(5π3) hcos(7π4) itan(11π6) There are 2 steps to solve this one. Write down the exact values of the following functions :
Find the exact values of the sine, cosine, and tangent of the angle. {eq}15^o{/eq} {eq}\sin(15^0 ) =\rule{3cm}{0.15mm} \\\cos(15^o ) = \rule{3cm}{0.15mm} \\\tan(15^o ) =\rule{3cm}{0.15mm}{/eq} Sum/Difference Identity: Some ...