sin^2 20° + sin^2 70° - tan^2 45° - Brainly.in
2018年5月2日 · Find an answer to your question sin^2 20° + sin^2 70° - tan^2 45°
Sin 70 value in fraction - Brainly
2021年10月11日 · Explanation: For sin 70 degrees, the angle 70° lies between 0° and 90° (First Quadrant). Since sine function is positive in the first quadrant, thus sin 70° value = 0.9396926.
How to find the value of sin 70 degree ? Please explain the
2024年4月13日 · For sin 70 degrees, the angle 70° lies between 0° and 90° (First Quadrant). Since sine function is positive in the first quadrant, thus sin 70° value = 0.9396926. . .
sin 70° + cos 40° 1. The value of a) -√3 is cos 70° + sin 40° b) √3 c ...
Find an answer to your question sin 70° + cos 40° 1. The value of a) -√3 is cos 70° + sin 40° b) √3 c)-√2 d) √2
Q) what is sin 70°.pls ans - Brainly.in
2020年7月6日 · Answer: sin (70 degrees) is between sqrt (3)/2 and 1 because sin (60 degrees)=sqrt (3)/2. Sqrt (3) is approximately 1.73. So, sqrt (3)/2 is approximately 0.865. Note that sin (90 deg) = 1. Step-by-step explanation: mark me brainliest
The exact value of cosec10 - 4sin70 - Brainly.in
2015年8月17日 · Answer:The exact value of the expression is [tex]\csc 10-4\sin 70=2 [/tex]Step-by-step explanation:Given : Expression [tex]\csc 10-4\sin 70 [/tex]To find : The ex…
prove that :sin 70° - cos70° = √2 sin25° - Brainly.in
Answer:Certainly! Let's prove the given trigonometric identity:\ [ \sin 70° - \cos 70° = \sqrt {2} \sin 25° \]We'll use the following trigonometric identities:\ [ …
8 sin 10° sin 50°. sin 70° = 1 - Brainly.in
8 sin 10° sin 50°. sin 70° = 1 - 30949331
Prove that sin 10° + sin 20° + sin 40° + sin 50° = sin 70° + sin 80°.
Prove that sin 10° + sin 20° + sin 40° + sin 50° = sin 70° + sin 80°. Get the answers you need, now!
Sin70+sin50/cos70+cos50 - Brainly.in
2019年10月11日 · Given: The trigonometric term sin 70 + sin 50 / cos 70 + cos 50 To find: The solution of given term. Solution: We have provided with sin 70 + sin 50 / cos 70 + cos 50 Now we can write it as: sin (60 + 10) + sin (60 - 10) / cos (60 + 10) + cos (60 - 10) Now applying the formula: sin (a±b) = sin a cos b ± cos a sin b cos (a+b) = cos a cos b - sin a sin b cos (a-b) = cos a cos b + sin a sin b ...