Sign In
Ask Question
Dallas Leon
Mathematics
15 July, 12:09
Suppose sin (B) =.75. Calculate cos (A)
+2
Answers (
2
)
Natalia Newton
15 July, 12:20
0
We use the formula (sinB) ^2 + (cosB) ^2 = 1;
But, sinB = 3/4;
Then, (cosB) ^2 = 1 - 9/16;
(cosB) ^2 = 7/16;
cosB = + or - √7 / 4;
Comment
Complaint
Link
Alana Little
15 July, 12:22
0
SinB = 0.75
Recall: Sin²B + Cos²B = 1
0.75² + Cos²B = 1
0.5625 + Cos²B = 1
Cos²B = 1 - 0.5625
Cos²B = 0.4375
CosB = + or - √0.4375
Cos B ≈ + or - 0.6614
Comment
Complaint
Link
Know the Answer?
Answer
Not Sure About the Answer?
Find an answer to your question 👍
“Suppose sin (B) =.75. Calculate cos (A) ...”
in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
Solve the following equation for x. 7x-3y=-13
Answers (2)
Michael paid a total of $48 for 4 pizzas. He used a coupon for $4 4p - 4 = 48
Answers (1)
The sum of two numbers is 131. One number is 6 more than 4 times the other. Which of the following is the smaller number
Answers (1)
What could be the last digit of the composite number?
Answers (1)
The first term in a geometric sequence is 1/9 and the common ratio is - 3. Find the 7th term in the sequence.
Answers (1)
New Questions in Mathematics
The formula V = IR shows the relationship between voltage, current, and resistance. Solve this formula for R
Answers (1)
How many sixths does it take to make the same amount as 6/12
Answers (1)
Find the nth term of this sequence 1 3 5 7 9
Answers (1)
Frank owns an entire block, which happens to be a perfectly square piece of land. one corner of the block is in the intersection of Slauson ave. and carmelita.
Answers (1)
Solve - 1 3/8 K equals 2/3
Answers (1)
Home
»
Mathematics
» Suppose sin (B) =.75. Calculate cos (A)
Sign In
Sign Up
Forgot Password?