Verify the following identity. 2 tan 8 sin 20= 2 1+ tan 0 Which of the following four statements establishes the identity? OA. sin 20=2 sin 0 cos 0 = 2 tan 0 2 tan 0 2 sec 0 2 1+ tan 0 2 tan 0 2 2 2 tan 0 OB. sin 20= cos 0- sin 0 = = 2 sec 0 2 1 + tan 0 2 tan 0 2 tan 0 Oc. sin 20=2 sin 0 cos 0 = 2 CSC 0 1 + tan 0 2 tan 0 2 tan 0 OD. sin 20 = cos 20- sin 20= 2 CSC 0 1+ tan 0 000 MacBook Air

Q: Express 2 sin 13° cos 48° v. as a sum

A:

Q: 8. Show that sin a (1+ tan a) + cos a (1 + cot a) = sec a + csc a.

A:

Q: 2 1-cos 2z Is equivalent to: O cos? x O sin? O sec? x csc2 x

A: Solve  2/1-cos2x

Q: Verify each identity. 1) -sin² xsec² x = 1 - sec² x

A:

Q: To verify the identity: tan²θ+1=sec²θ , determine the value of tan²θ−sec²θ (for θ = π/4)

A:

Q: Verify the identity sin 2t - tan t = tan t cos 2t.

A: Given:sin2t-tant=tant cos2tTrigonometry formula:sin2t=2sint costtant=sintcostcos2t=cos2t-sin2t

Q: Given that cos 2a = - and 180° < a < 270°, find tan a O 2 1 V5 O -2

A:

Q: 11. Prove the identity: tan²x tan²x + 1 = sin²x

A: Simplification

Q: evaluate exactly sin(cos-1(2/3))

A:

Q: Prove each of the following trigonometric identities. 1. sin xsin 2x+cos x cos2x = cos x 2. cotx=sin…

A:

Q: which one of the following is the same as: -cos(-x)tan(-x) a. sinx b. -sinx c. -cotx

A: