5.2 Practice
5.2 Practice
Simplify.
Simplify.
1.
𝑠𝑖𝑛2 𝑥+𝑐𝑜𝑠2 𝑥
𝑐𝑜𝑠2 𝑥
= 𝑠𝑒𝑐 2 𝑥
2. (1 + cos x)(1 – cos x) = sin2x
3.
cos(90°−𝑥)
cos(−𝑥)
= 𝑡𝑎𝑛𝑥
1.
𝑠𝑖𝑛2 𝑥+𝑐𝑜𝑠2 𝑥
𝑐𝑜𝑠2 𝑥
= 𝑠𝑒𝑐 2 𝑥
2. (1 + cos x)(1 – cos x) = sin2x
3.
cos(90°−𝑥)
cos(−𝑥)
= 𝑡𝑎𝑛𝑥
4. sec2 x + tan2 x – 1 = 2tan2x
4. sec2 x + tan2 x – 1 = 2tan2x
5.2 Practice
5.2 Practice
Simplify.
Simplify.
1.
𝑠𝑖𝑛2 𝑥+𝑐𝑜𝑠2 𝑥
𝑐𝑜𝑠2 𝑥
= 𝑠𝑒𝑐 2 𝑥
2. (1 + cos x)(1 – cos x) = sin2x
3.
cos(90°−𝑥)
cos(−𝑥)
= 𝑡𝑎𝑛𝑥
1.
𝑠𝑖𝑛2 𝑥+𝑐𝑜𝑠2 𝑥
𝑐𝑜𝑠2 𝑥
= 𝑠𝑒𝑐 2 𝑥
2. (1 + cos x)(1 – cos x) = sin2x
3.
cos(90°−𝑥)
cos(−𝑥)
= 𝑡𝑎𝑛𝑥
4. sec2 x + tan2 x – 1 = 2tan2x
4. sec2 x + tan2 x – 1 = 2tan2x
5.2 Practice
5.2 Practice
Simplify.
Simplify.
1.
𝑠𝑖𝑛2 𝑥+𝑐𝑜𝑠2 𝑥
𝑐𝑜𝑠2 𝑥
= 𝑠𝑒𝑐 2 𝑥
2. (1 + cos x)(1 – cos x) = sin2x
3.
cos(90°−𝑥)
cos(−𝑥)
= 𝑡𝑎𝑛𝑥
4. sec2 x + tan2 x – 1 = 2tan2x
1.
𝑠𝑖𝑛2 𝑥+𝑐𝑜𝑠2 𝑥
𝑐𝑜𝑠2 𝑥
= 𝑠𝑒𝑐 2 𝑥
2. (1 + cos x)(1 – cos x) = sin2x
3.
cos(90°−𝑥)
cos(−𝑥)
= 𝑡𝑎𝑛𝑥
4. sec2 x + tan2 x – 1 = 2tan2x