Prove that (cos40-sin30)/(sin30-cos50)=tan50

tan45+sin60=(sin30+cos30) 1+ã3/2=(1/2+ã3/2) How do i work it from her?

how to prove that (a^2-b^2)^3+(b^2-c^2)^3+(c^2-a^2)^3=3 (a^2-b^2)(b^2-c^2)(c^2-a^2) please help

sin30°ka man

If A + B + C = 180° prove that cos2A + cos2B – cos2C = -1 -4cosAcosBcosC

cos15°cos30°- sin15°sin30° =

(Cos40-sin30)/(sin60-cos50)

Solve the equation Cos40° Cosx + sin 40° sin x=square root 3/2

Solve the equation Cos40° Cosx + sin 40° sin x=square root 3/2 for 0° less than or equal to x les...

A/sin30° = 12/sin115° what is A

What is sin30° sin ⁡ 30 ° ? (1 point) Responses 12 1 2 1 half - no response given...

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