[Best Answer] cos10°+sin10°/cos10°-sin10°=cot35° - Brainly.in
Nov 4, 2015 · Hi , LHS = ( Cos 10 + Sin 10 ) / ( Cos 10 - Sin 10 ) { Multiply numerator and and denominator with 1 / Cos 10 }
Prove that cos 10.cos30.cos50.cos70 = 3/16 - Brainly
Jan 20, 2017 · (A) By the product-to-sum formula for cosine: cos(A)cos(B) = (1/2)[cos(A + B) + cos(A - B)]. So, we have: ...
The value of cos²10º - cos10º cos50º + cos² 50º is: - Brainly
Mar 19, 2020 · answer : option (B) 3/4 . given, cos²10° - cos10°. cos50° + cos²50° = (cos10° + cos50°)² - 2cos10°.cos50° -cos10°.cos50°
The value of cos10+Cos20+Cos30+.........+cos360= - Brainly.in
Answer:The value of cos(10°)+Cos(20°)+Cos(30°)+.....+cos(360°)= OExplanation:We know that cos (180 + Ф) = -cosФTherefore by applying this formula in the equ…
What is the value of cos 10 degrees - Brainly
Jul 19, 2021 · Answer: The cos of 10 degrees is 0.98481, the same as cos of 10 degrees in radians. To obtain 10 degrees in radian multiply 10° by / 180° = 1/18 .
Prove that cos 10°.cos 50°.cos 60° .cos 70° - Brainly
Find an answer to your question prove that cos 10°.cos 50°.cos 60° .cos 70° =
Cos 10° Cos 30° Cos 50° Cos 70°=3/16 - Brainly
Jun 29, 2019 · Find an answer to your question Prove that:- Cos 10° Cos 30° Cos 50° Cos 70°=3/16 No sparm ans
Cos10—sin10÷Cos10+sin 10 - Brainly.in
Feb 18, 2019 · Cos10—sin10÷Cos10+sin 10 - 8266959
8cos10°cos20°cos40° - Brainly.in
Jun 16, 2020 · Answer: Solution. Explanation: Let x = 8cos10°. cos20°. cos40° Multiply on both side by sin10° and applying formula (2sinθ. cosθ = sin2θ)
Show that 1/sin10-√3/cos10=4 - Brainly
Aug 16, 2014 · Click here 👆 to get an answer to your question ️ show that 1/sin10-√3/cos10=4