Trigonometric Identities

Simplifying

100

Simplify cscx*secx-tanx

What is Cotx

200

 Simplify cosx(cscx)+cotx/ secx(cotx)

 what is cosx

300

tan-cscx(secx)

What is cotx

400

cscx(tan²x)-sec²x(csc)

what is -cscx

500

cosx/(1+sinx) *(1+sinx)/cosx

 what is 1

Reciprocals

100

tan

what is cotangent

200

sin

what is cosecant

300

cos

what is secant

400

cotangent

tangent

500

secant

cosin

Solving

100

-1/2=-1+sinx  in degrees

30 degrees and 150 degrees

200

0=tan²x-2secx+2

2pi

300

-4+sinx=-12+2sqrt3/3

what is no solution

400

2sin²x+4=3-3sinx

7pi/6 , 11pi/6 , 3pi/2

500

-1=3tan²x

7pi/6 and pi/6

Naming Idienties

100

what are tanx=sinx/cosx  and  cotx=cosx/sinx

What is quotient identities?

200

sinx=1/cscx

What is Reciprocal Identities

300

sin²x+cos²x=1

What is Pythagorean Identities

400

cosx=1/secx

What is Reciprocal Identities

500

1+cot²x=csc²x

Pythagorean Identities