What is the exact value of cot(-870°)? 0-√3 0-1 01 O√√3

Q: D A 80 °/y 1 B140°

A: From triangle DEF, we get,  10° + x = 80° + y  So, x - y = 70° ... (i)

Q: sqrt ((1+cos8x)/2) Use half angle formula cos(4x) cos(32x) cos(2x) cos(8x) cos(16x)

A:

Q: Evaluate p3 sin 0 do dr.

A: Double integal

Q: 8 X 43°

A: Given :

Q: Use a sketch to find the exact value of the expression sin (cos-1√2/ 2)

A: sincos-122

Q: Multiply the following. - 5ab (xa° + ya - 2) - 5ab (xa° + ya - 2) =(Simplify your answer.) 6

A: Given the term is , - 5ab(xa⁶ +ya³ - 2)  We have to multiply the term and simplify it  First we have…

Q: 6.76 x 106 6.76 x 107 6.76 x 102 6.76 x 10-7

A:

Q: Consider y= 2 + 3sin (2x-pi)

A:

Q: Find cos . r (10,-√21) ? ㅁ Enter

A:

Q: culate the value of (100°)' × [10-7 x (0.1)* ] ". . Give answer as a power of 100.

A: Topic:-  simplification

Q: cos(920)

A: use trigonometric identity

Q: Simplify 3k(cos2 theta + cos theta)

A: The given expression is 3kcos2θ+cosθ . The identity of trigonometry is cos 2x=2cos2x-1. Our…

Q: The angle y whose sine is - the square root of 3 divided by 2 and which is in the interval [-?/2,…

A:

Q: 200=m(9.8) sin 30

A: A detailed solution is given below.

Q: Use a sketch to find the exact value: sec (sin-¹ (-)) O2√3 2√3 0-/21 O 080- 3

A: Given query is to find the exact solution.