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Find the value of cos 48o – sin 42o

WebCosine calculator Arccos definition The arccosine function is the inverse function of cos (x). arccos ( x) = cos -1 ( x) For example, If the cosine of 60° is 0.5: cos (60°) = 0.5 Then the arccos of 0.5 is 60°: arccos (0.5) = cos -1 (0.5) = 60° Arccos table See also Cosine calculator Sine calculator Tangent calculator Arcsin calculator WebClick here👆to get an answer to your question ️ Evaluate cos 48^o cos 42^o - sin 48^o sin 42^o. Solve Study Textbooks Guides. Join / Login >> Class 10 >> Maths >> Introduction to Trigonometry >> Trigonometric Ratios of Complementary Angles >> Evaluate cos 48^o cos 42^o - sin 48^o si.

Find the Exact Value sin(42 degrees ) Mathway

WebUsing the Sum and Difference Formulas for Cosine. Finding the exact value of the sine, cosine, or tangent of an angle is often easier if we can rewrite the given angle in terms of two angles that have known trigonometric values. We can use the special angles, which we can review in the unit circle shown in Figure 2. WebInverse cosine calculator. Enter the cosine value, select degrees (°) or radians (rad) and press the = button. RapidTables. Search Share. ... The arccosine function is the inverse … tdi handtools https://e-healthcaresystems.com

Evaluate (i) sin 18°/cos 72° (ii) tan 26°/cot 64° (iii) cos 48° - sin ...

WebThe value of sin 42 degrees can be calculated by constructing an angle of 42° with the x-axis, and then finding the coordinates of the corresponding point (0.7431, 0.6691) on … WebWe know that, cos (90° − θ) = sin θ. So, cos 48° – sin 42° = cos (90° − 42°) – sin 42° = sin 42° – sin 42° = 0 . Thus the value of cos 48° – sin 42° is 0. WebSolution Verified by Toppr cos48 ocos42 o−sin48 osin42 o=cos(90 o−42 o)cos(90 o−48 o)−sin48 osin42 o =sin42 osin48 o−sin48 osin42 o[∵cos(90−θ)=sinθ] =0 Solve any … efsa.unsa.ba prijava semestra

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Find the value of cos 48o – sin 42o

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Web42: Find the Exact Value: sin((5pi)/3) 43: Find the Exact Value: sin((3pi)/4) 44: Find the Exact Value: tan(pi/2) 45: Find the Exact Value: sin(300) 46: Find the Exact Value: cos(30) 47: Find the Exact Value: cos(60) 48: Find the Exact Value: cos(0) 49: Find the Exact Value: cos(135) 50: Find the Exact Value: cos((5pi)/3) 51: Find the Exact ... WebClick here👆to get an answer to your question ️ Prove that sin 48^∘sec 42^∘ + cos 48^∘cosec 42^∘ = 2. Solve Study Textbooks Guides. Join / Login >> Class 10 >> Maths >> Introduction to Trigonometry >> Trigonometric Ratios of Complementary Angles >> Prove that sin 48^∘sec 42^∘ + cos 48^∘co.

Find the value of cos 48o – sin 42o

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WebSolution cos 48 0 = cos ( 90 0 - 42 0) = sin 42 0 [ cos ( 90 0 - θ) = sinθ] ⇒ cos 48 0 - sin 42 0 = sin 42 0 - sin 42 0 = 0 Thus, cos 48 0 - sin 42 0 = 0 Answer Suggest Corrections 29 … WebCorrect option is B) cos 248 o−sin 212 o=cos(48+12)cos(48−12)[cos 2A−sin 2B=cos(A+B)cos(A−B)] =cos60×cos36= 21× 4 5+1 8 5+1 Was this answer helpful? 0 0 …

WebApr 4, 2024 · Find an answer to your question find the value of cos 42-sin 48. yoyo6565 yoyo6565 04.04.2024 Math Secondary School answered Find the value of cos 42-sin 48 See answers Advertisement Advertisement Incredible29 Incredible29 Heya user , Here is your answer !! cos 42 - sin 48 = cos 42 - sin ( 90 - 42 ) WebApr 2, 2024 · So, we get x = cos 48 ∘ − cos 48 ∘. ⇒ x = 0. So, we have found the value of cos 48 ∘ − sin 42 ∘ as 0. ∴ The value of cos 48 ∘ − sin 42 ∘ is 0. Note: Whenever we get this type of problem, we should try to convert both the trigonometric functions into the same trigonometric functions in order to reduce the calculation time.

WebSep 9, 2024 · sin 8 ( x) + cos 8 ( x) = 48 / 128, then find the value of x? I tried this by De Moivre's theorem: ( cos θ + i sin θ) n = cos ( n θ) + i sin ( θ) = e i n θ But could not proceed further please help. trigonometry complex-numbers Share Cite Follow edited Sep 21, 2024 at 15:03 Krzysztof Myśliwiec 171 2 14 asked Sep 9, 2024 at 14:42 user567571 1 WebJun 4, 2024 · The value of cos 48° - sin 42° is Get the answers you need, now! elyasaasim elyasaasim 04.06.2024 Math Secondary School answered The value of cos 48° - sin 42° is 2 See answers Advertisement Advertisement ...

WebSine calculator Cosine expression calculator Expression with cos (angle deg rad): Expression = Calculate × Reset Inverse cosine calculator cos-1 = Calculate × Reset …

WebThe cosine is a trigonometric function of an angle, usually defined for acute angles within a right-angled triangle as the ratio of the length of the adjacent side to the hypotenuse. It is the complement to the sine. In the … tdi head gasket kitWebCorrect option is A) The value of cos 248 ∘−sin 212 ∘ is = 21(2cos 248 ∘−2sin 212 ∘) = 21[(1+cos96 ∘)−(1−cos24 ∘)] = 21(cos96 ∘+cos24 ∘) = 21[2cos( 296 ∘+24 ∘)cos( 296 ∘−24 ∘)] =cos60 ∘cos36 ∘ = 21×( 4 5+1) = 8 5+1 Video Explanation Solve any question of Trigonometric Functions with:- Patterns of problems > Was this answer helpful? 0 0 efsa.unsa.ba prijavaWebStep 1: To Calculate the Value of cos⁡ (48°) - sin42°. Step 2: We know that cosθ = sin (90-θ) Now look at the question. Step 3: cos⁡ (48°) - sin⁡ (42°) cos⁡ (48°) - sin⁡ … efsa probioticsWebShow that: (i) tan 48° tan 23° tan 42° tan 67° = 1 (ii) cos 38° cos 52° - sin 38° sin 52° = 0. If tan 2A = cot (A – 18°), where 2A is an acute angle, find the value of A. If tan A = cot B, prove that A + B = 90°. tdi headsetstdi head gasket sealerWebFree math problem solver answers your trigonometry homework questions with step-by-step explanations. tdi help lineWebApr 10, 2024 · Q1. A 1.2 m tall girl spots a ballon moving with the wind in a horizontal line at a height of 88.2 m from the ground. The angle of elevation of the balloon from the eyes of the girl at any instant is 60°. tdi hartselle al