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. 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.
Evaluate cos 48° cos 42° − sin 48° sin 42°. - Sarthaks
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 ) 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 … empire waist summer tops
Evaluate (i) sin 18°/cos 72° (ii) tan 26°/cot 64° (iii) cos 48° - sin ...
Webanswered Oct 17, 2024 by Deepak01 (59.0k points) selected Oct 17, 2024 by Vikash Kumar. Best answer. =Cos 48°cos 42° – Sin 48° Sin 42°. =Sin (90° – 48°) sin (90°-42°) – Sin … WebFind the Exact Value sin (42 degrees ) Mathway Trigonometry Examples Popular Problems Trigonometry Find the Exact Value sin (42 degrees ) sin(42°) sin ( 42 °) The result can be shown in multiple forms. Exact Form: sin(42°) sin ( 42 °) Decimal Form: 0.66913060… 0.66913060 … 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 … dr ashlyn savage musc