dai so
 👍
 👎
 👁
 ℹ️
 🚩

 👍
 👎
 ℹ️
 🚩
Respond to this Question
Similar Questions

Math please help quick
Which of the following are identities? Check all that apply. (Points : 2) sin2x = 1  cos2x sin2x  cos2x = 1 tan2x = 1 + sec2x cot2x = csc2x  1 Question 4. 4. Which of the following equations are identities? Check all that

Trigonometry
find sin2x, cos2x, and tan2x if sinx= 2/sqrt 5 and x terminates in quadrant III

precalculus
tanx= 12/5 x in quadrant 2 find; sin2x= cos2x= tan2x=

Adv function
Express sec2x in terms of tanx and secx I know you have to sec(2x) = 1/cos(2x) = 1/(cos²x  sin²x) But how do you split that. Like how to simplify that?

trigonometry
if sin2x=3sin2y, prove that: 2tan(xy)=tan(x+y) ( here, in sin2x, 2x is an angle., like there's a formula:sin2x=2sinxcosx and sin2y=2sinycosy; ....)

math
d2y/dx2+9y=cos2x+sin2x

math
angle x lies in the third quadrant and tanx=7/24 determiner an exact value for cos2x determiner an exact value for sin2x

calculus
find sin2x, cos2x, and tan2x if sinx= 1/sqrt 5 and x terminates in quadrant II

PreCalculus
Sin5x cos2x + cos5x sin2x=

math
sin2xcotx = cotxcos2x Using the various trigonometric identities(i.e. double angle formulas, power reducing formulas, half angle formulas, quotient identities, etc.) verify the identity. I first added cotx to both sides to get

Trigonometry
Simplify the expression using trig identities: 1. (sin4x  cos4x)/(sin2x cos2x) 2. (sinx(cotx)+cosx)/(2cotx)

Trigonometry
Prove: 1tanx/1+tanx=1sin2x/cos2x