31 - General Trigonometry Questions Answers

If a cos∅ + b sin∅ =c, then prove that asin∅-bcos∅=±√a²+b²-c²
Asked By: VAIBHAV PARIHAR 4 year ago

sin4A+cos4A

Asked By: DEVRAJ SHARMA 4 year ago
is this question helpfull: 5 1 read solutions ( 1 ) | submit your answer

cos20.cos40.cos60.cos80=

Asked By: C NARENDRA CHARY 4 year ago
is this question helpfull: 5 2 read solutions ( 1 ) | submit your answer

3sin 2A +4 cos2A max and min value and solve

Asked By: MRITYUNJAY 4 year ago
is this question helpfull: 6 0 read solutions ( 1 ) | submit your answer

if A is an acute angle and cotA+cosecA=3 , find value of sinA

Asked By: NIRMALJIT SINGH 4 year ago
tan^2 A + cot^2 A can never be less than 2
Asked By: SALONI 4 year ago

Prove that 2sin^2 x+ 4sinxcosycos(x+y)+cos2(x+y)=cos2x

Asked By: CAROLNAVYA 5 year ago

Prove that 2sin^2 x+ 4sinxcosycos(x+y)+cos2(x+y)=cos2x

Asked By: CAROLNAVYA 5 year ago

if  1 + sinA  = 9 cosA and A  belongs to first quadrant then the value of 5(1- cosA ) =

Asked By: SYAM SUNDER 5 year ago
is this question helpfull: 7 5 read solutions ( 1 ) | submit your answer

if  1 + sinA  = 9 cosA and A  belongs to first quadrant then the value of 5(1- cosA ) =

Asked By: SYAM SUNDER 5 year ago