# 62 - Trigonometry Questions Answers

If a cos∅ + b sin∅ =c, then prove that asin∅-bcos∅=±√a²+b²-c²

**Asked By: VAIBHAV PARIHAR**3 year ago

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CosecA+CotA=5/2 than TanA=?

**Asked By: NITESH KUMAR**3 year ago

is this question helpfull: 21 4

**read solutions ( 1 ) | submit your answer**If c2=a2+b2 then 4s(s-a)(s-b)(s-c)

**Asked By: ALBS**3 year ago

is this question helpfull: 13 5

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sin^{4}A+cos^{4}A

**Asked By: DEVRAJ SHARMA**3 year ago

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**read solutions ( 1 ) | submit your answer**cos20.cos40.cos60.cos80=

**Asked By: C NARENDRA CHARY**3 year ago

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3sin ^{2}A +4 cos^{2}A max and min value and solve

**Asked By: MRITYUNJAY**3 year ago

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If A+B+C=180, then secA(cosBcosC-sinBsinC) is equal to

**Asked By: SATYAM KUMAR SINGH**3 year ago

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**read solutions ( 1 ) | submit your answer**if A is an acute angle and cotA+cosecA=3 , find value of sinA

**Asked By: NIRMALJIT SINGH**3 year ago

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tan^2 A + cot^2 A can never be less than 2

**Asked By: SALONI**3 year ago

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^{if one vertex of a triangle having maximum area inscribed ia a circle IZ-iI=5 is 3-3i then find the other two vertices}

**Asked By: PORURU KRISHNA MOHAN**3 year ago

is this question helpfull: 4 1

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