Mathematics Gr 12 Assignment QUESTION 1 1.1 Simplify without using a calculator: 2 sin (-20°).sin 520°-cos (-40°) 1.2 Prove the following identity: sin 20+ cos 20+1 2 cos 0 cos 20 cos 0-sin 0 3 NSC 1.3 Determine the general solution for: tan x = sin 2x if sin x 0 and cos x <0. 1.4 If tan 0: 1 where 0 is an acute angle, determine the valu without using a calculator and NOT solving for 0: ' Ꮎ

Q: If sin 0 = 0.3, find the value of: sin 0 + sin (0 + 27) + sin (0 + 47)

A:

Q: evaluate / sin²(z) cos³(x) dx we use the identity sin²(x) + cos²(x) = 1 to obtain [ sin²(2)( cos(x)…

A: Given query is to find the substitution applied.

Q: 3 sin B =- 5 5 0< A<- 13 Зл find the following: 3. If cos A = and t <B<- a. cos(A+B) b. sin(A+B)

A: topic - trigonometric identities cos(A+B)=cosAcosB-sinAsinB

Q: sin 2a – sin a Show that simplifies to tan a. cos 20 cos a + 1

A:

Q: Trigonometry Question

A:

Q: QUESTION 1 12 It is given that sin A=- and cos B 17 13 angle. Without using calculator, find the…

A:

Q: If sin(-s) = 15/17, and < s< 2T, compute the following. (Enter your answers in exact form.) (a) sin…

A:

Q: 4 cosx-1 solve the equation 2 sin x : , giving all values of x between tan x 0° and 360°.

A: The given trigonometric equation is  2sinx = 4cosx-1tanx

Q: B. cos 285

A: Since you have asked multiple question, we will solve the first question for you as per our guide…

Q: (ii) Hence, without using a calculator, find the value of tan(22.5°

A: