2cosx - secx = cosx - tanx/cscx

2cosx - secx = cosx - tanx/cscx

A. 56 B. 63 C. -7 D. 20

The sum of 4 numbers is 60. The first number was increased by four The second number was decreased by four The third number was multiplied by four The fourth number was...

Calculate S3,S4, and S5 and then find the sum for the telescoping series S=∑(1/n+1−1/n+2),n=0..infinity S3 = S4 = S5 = S =

I used in here the formula: Speed=distance/time. Correct me if im wrong, I got 20kph as my answer. I'm quite unsure with it. Can you please show me the correct equation/solution in this word problem...

I couldn't get the right equation in this word problem. What must be the correct solution?Your best explanation would be a great help. Thanks.

Kindly give me an equation here in arriving the answer. Thanks

I can't figure out the answer from the choices. I'm getting $50,000 for Thomas. My equation for this is: (x+12,000) + (x+18,000) + x = $144,000 I think there's...

The sum of (2h -2), (3h-1), (h+2), (h+5), and (3h+1) is equivalent to: A. 8h - 11 B. 8h + 11 C. 8h + 5 D. 10h + 5 E. 10h + 11 Choose...

The sum of the measures of ∠B and ∠C is 180°, and ∠A ≅ ∠B. What must be true about the measures of ∠A and ∠C ? A. m∠A + m∠C = 90° B. m∠A + m∠C =...

The sum of four consecutive integers is 508. Find the integers.

How do I represent Fibonacci in a Arithmetic Sequence where Fibonacci 1 + Fibonacci 2 =8, or (1+2) + (2+3).

Help me understand, What would be the solution in this word problem? Thanks!

the sum of two numbers is 70. The first number is 2/5 of the second number . What are the numbers?

Calculate the sum: 3+ 7+ 11+ ......+ 399

The sum of three consecutive integers is 363.

A cyclist travels 100 km on the first day of the week. Every day the cyclist increases the distance by 50%. So on the second day the cyclist travels 150 km and so on. How far does the cyclist travel...

One day a store sold 18 sweatshirts . White ones $9.95 and yellow ones cost $11.50. In all, $200.80 worth of sweatshirts were sold. How many of each color were sold?

Please help me to find sum of this unlimeted serie: 1+2+3+5/7+3/2+4/3+25/49+3+4+... Thanks in advice

Find k in the equation (k-3)x2 + (k-2)x - 5 so that: a) the sum of roots is 3. b) the product of roots is -4.

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