(法号) (一) (學) 4. (-1,0) 180° (學) (學) 120° -135° 150° 210° 225° -240° (0, 1) 90° 270° 600 (1,3) 45° -300° -315° (cos, sin) (學) (13,-1) 30⁰ 0° X 3300(3,3) (一) (空) 330⁰ (1, 0) (母) |(0,-1) (1) 4. What is the cos, sin of a 60 degree angle?

Q: Find the exact value of the expression. -1 15 cos tan 8

A: The given expression is costan-1158. It is known that, cosarctanx=1+x21+x2.

Q: How do I simplify (9-sin(x))(4-3cos(x))-(9cos(x))(3sin(x))

A: Given that: (9-sinx)(4-3cosx)-(9cosx)(3sinx)

Q: tan (Cos (을) -Smil(-종))

A: As you solved  cos-132→θ → tan-113sin-1(35)→ θ → tan-134 Note: You putted wrong value of sin-135.…

Q: #6 a) Find the exact value of sin-(sin( )). 6. (an- (총)) b) Find the exact value of sin ( tan 3. c)…

A:

Q: Simplify the expression tan(sin -'(x)). (A) V1+x? (D) V1-x? V1+ x? (E) (С) х (B) V1-x?

A: To simplify: The expression . Formula used: Trigonometry identity:

Q: -p² sin(w) cos?(w) – p cos² (») -p2 sin(4).

A:

Q: Cos'8 Sin&0 Sin'o 2.

A:

Q: Sin-1(-1)=

A: Given,

Q: sec2@ 10. tan@ - - tan@

A:

Q: Write ( tan(x) + sec(x)) ( sin( x) - 1) in terms of sine and cosine.

A:

Q: n¹(tan(-)) 215. tan

A: Given problem:- tan-1tan-π6

Q: (cos A + sin A)/(cos A - sin A) = (1+ sin(2A))/ cos(2A)

A:

Q: Multily    (a) (a+b)  2 (cos theta - sin theta ) 2

A:

Q: do you solve cos(tan-1(2/3))

A:

Q: Part D

A:

Q: Solve sin - () 2 dy = x + y

A: We need to use substitution method to solve this differential equation