Chunkypants8369
01.09.2020 •
Mathematics
Plz solve this question immediately
Solved
Show answers
More tips
- S Style and Beauty Lamination of Hair: How it Works and What it is?...
- C Computers and Internet Best Applications for Your iPad: Review of the Best Candidates for Installation...
- S Style and Beauty Intimate Haircut: The Reasons, Popularity, and Risks...
- A Art and Culture When Will Eurovision 2011 Take Place?...
- S Style and Beauty How to Choose the Perfect Hair Straightener?...
- F Family and Home Why Having Pets at Home is Good for Your Health...
- H Health and Medicine How to perform artificial respiration?...
- H Health and Medicine 10 Tips for Avoiding Vitamin Deficiency...
- F Food and Cooking How to Properly Cook Buckwheat?...
- F Food and Cooking How Many Grams Are In a Tablespoon?...
Answers on questions: Mathematics
- M Mathematics The measures of the angles of a triangle are shown in the figure below. Solve for x....
- M Mathematics Calculate the simple interest for each situation. Which choices have a simple interest greater than $800.00? Select all that apply. A. $2,000.00 at 6% for 7 years B. $4,500.00...
- M Mathematics Compute the probability of flipping a coin once and getting heads, given that the previous flip was tails....
- M Mathematics Pleas help I give brainliest, its my final...
- M Mathematics Jordan and his three best friends are on a relay team. His relay team will run a race, where the first runner runs a lap, then the second, then the third, then the fourth....
- M Mathematics PLEASE HELP MEEE name the corresponding parts of these congruent triangles EFG= RST angles: sides:...
- M Mathematics 3 A parabola is defined by the equation x = y. In which direction will the parabola open? 4 OA up OB down OC. right D. left O E cannot be determined...
- M Mathematics What is the equation of the line that passes through (0, 2) and (3, - 4)...
- M Mathematics Find m∠ABC.............
- M Mathematics I need help and it’s due soon...
Ответ:
squaring both sides
cos2+sin2+2cossin=1
cos
2
A
+
sin
2
A
+
2
cos
A
sin
A
=
1
⟹1+2cossin=1⟹2cossin=0
⟹
1
+
2
cos
A
sin
A
=
1
⟹
2
cos
A
sin
A
=
0
⟹−2cossin=0⟹1−2cossin=1
⟹
−
2
cos
A
sin
A
=
0
⟹
1
−
2
cos
A
sin
A
=
1
⟹cos2+sin2−2cossin=1
⟹
cos
2
A
+
sin
2
A
−
2
cos
A
sin
A
=
1
⟹(cos−sin2)=1
⟹
(
cos
A
−
sin
A
2
)
=
1
⟹cos−sin=±1
Ответ:
i like the humor so the answer is a
Step-by-step explanation: