Answer to: What is sin(4x) in terms of sin(2x) and cos(2x)? By signing up, you'll get thousands of step-by-step solutions to your homework...
What issin(cos(x))? Question: What issin(cos(x))? Trigonometric Functions: Trigonometry is the branch of mathematics which are used widely in many real life calculations, specially in construction purposes. The functions used relate the angle to numerical valuessinxandcosxare func...
Look and write.What is his/her job?∴sincosccosC+comercm___is a ___. 相关知识点: 试题来源: 解析 考查人称代词的主格和名词词义辨析。根据图示可知是护士是女性,农民是男性。farmer农民。问句的句意为:他的/她的工作是什么?答语的句意为:她是一名护士。Sheis a nurse.She她,指女性,做主语。He...
百度试题 结果1 题目What is cos(90°−A) expressed in terms of a function ofA? 相关知识点: 试题来源: 解析 sinA sinA反馈 收藏
Now we can combine the terms:1. The first term becomes: sin(B)sin(C)cos(A)−sin(B)cos(C)sin(A)2. The second term becomes: cos(A)cos(B)cos(C)−cos(A)sin(B)sin(C)3. The third term is: −cos(C)(cos(A)cos(B)−sin(A)sin(B)) Step 6: Final simplificationAfter ...
If sec(t)=−9.65, what is cos(−t)? If csc(t)=0.31, what is sin(−t)?If sec(t)=−9.65, what is cos(−t)?
But with the unit circle definitions of sin and cos, you can see this is equivalent to: tanθ=oppositeadjacent Or, thinking in terms of coordinates: tanθ=yx This explains why tan is undefined for 90° or −270° and 270° or −90° (where x = 0), because you ...
答案 B 结果二 题目 If x+x+x= x, what is the value of x? ()A. -2B. -1C. 0D. 1E. 2 答案 C 相关推荐 1If , what is the value of x? ()A. 2B. 1C. 0D. -1E. -2 2If x+x+x= x, what is the value of x? ()A. -2B. -1C. 0D. 1E. 2 反...
结果1 题目 What is [ 2(cos (3π)/4 + i sin (3π)/4)]3? [ Answer should be written in a + bi form, where a and b are in simplest radical form.] 相关知识点: 试题来源: 解析 4√2 + 4√2i4√2 + 4√2i 反馈 收藏 ...
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