Answers created by Swarna Islam
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Can someone verify this?
(cotx-1)/(cotx+1) = (1-sin2x)/(cos2x)
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Sin420°+Cos390°-Cos(-300°)Sin(-330°)
Solve And Answer Value?
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Can someone help verify this trig identity?
(Sinx+cosx)^2/sin^2x-cos^2x=sin^2x-cos^2x/(sinx-cosx)^2
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Prove #tan^-1 (cot (theta)) /2 = pi/4 + theta/2#?
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Fint the value of #Sin theta + Cos theta# ?
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How to prove?
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Question #70f00
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How do you find the domain and range of #f(x)=-4+sqrt(x+3)#?
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If tanA+sinA=p and tanA-sinA=q. Then proove that #p^2-q^2=4sqrt (pq)# ?
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If #8 L# of a gas at room temperature exerts a pressure of #32 kPa# on its container, what pressure will the gas exert if it the container's volume changes to #4 L#?
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Question #c4eca
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How do you simplify #(4/(7y-2)+(7y)/(2-7y))((y+5)/6-(y+3)/6)#?
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How do you find the domain and range of #f(x)=sqrt (x+7)/(x^2+7)#?
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Question #b18b1
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Question #786a6
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Question #efef9
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If #x# and #y# are acute angles and #sin(2x-20^@)=cos(2y+20^@)#, what is #tan(x+y)#?
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How do you determine #tantheta# given #costheta=1/8, (3pi)/2<theta<2pi#?
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How do you solve the following system?: #9x +12y = 7 ,
-2x - 21y = -41#
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How do you solve the system of equations #2x + 5y = - 8# and #4+ y = - 12#?
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Prove that tan(A+B)*tan(A-B)=cos²B-cos²A/cos²B-sin²A?
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Question #74225
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Question #2144a
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A projectile is shot from the ground at a velocity of #15 m/s# at an angle of #pi/6#. How long will it take for the projectile to land?
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Question #4db2c
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Question #a4c27
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Question #703cc
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Question #50761
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Question #e7dd8
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Question #6b51b